{"id":384904,"date":"2023-06-28T13:36:07","date_gmt":"2023-06-28T17:36:07","guid":{"rendered":"https:\/\/www.nasa.gov\/?post_type=topic&p=384904"},"modified":"2023-09-20T14:18:48","modified_gmt":"2023-09-20T18:18:48","slug":"twins-study","status":"publish","type":"topic","link":"https:\/\/www.nasa.gov\/humans-in-space\/twins-study\/","title":{"rendered":"Twins Study"},"content":{"rendered":"<div id=\"\" class=\" hds-module hds-module-full wp-block-nasa-blocks-secondary-navigation\"><div class=\"hds-secondary-navigation-wrapper z-top width-100 padding-0\"><div id=\"\" class=\"hds-secondary-navigation width-full border-bottom-1px text-center hds-color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-hdsnav\"><button type=\"button\" class=\"hds-secondary-nav-mobile-button display-flex tablet:display-flex desktop:display-none width-full flex-align-center bg-carbon-90 border-color-carbon-80 color-spacesuit-white\" aria-expanded=\"false\" aria-controls=\"hds-secondary-nav-track\"><span>Humans in Space<\/span><svg width=\"16\" height=\"16\" alt=\"\" enable-background=\"new 0 0 400 400\" viewBox=\"0 0 400 400\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m4.2 122.2 195.1 195.1 196.5-196.6-37.9-38-157.8 157.8-156.8-156.8z\" \/><\/svg><\/button><div class=\"hds-secondary-nav-track grid-container grid-container-extrawide padding-0 tablet:padding-x-3 desktop:padding-x-2 \"><div class=\"hds-secondary-navigation-menu-items\"><nav><ul class=\"usa-nav__primary usa-accordion flex-justify-center margin-0\"><li class=\"usa-nav__primary-item \"><a class=\"usa-nav__link\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/\">Humans in Space<\/a><\/li><li class=\"usa-nav__primary-item \"><a class=\"usa-nav__link\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/why-go-to-space\/\">Why Go to Space<\/a><\/li><li class=\"usa-nav__primary-item\"><button type=\"button\" class=\"usa-accordion__button usa-nav__link\" aria-expanded=\"false\" aria-controls=\"basic-nav-section-one\"><span>Astronauts<\/span><svg class=\"hds-desktop-submenu-toggle-icon display-none tablet:display-none desktop:display-block\" width=\"16\" height=\"16\" alt=\"\" enable-background=\"new 0 0 400 400\" viewBox=\"0 0 400 400\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m4.2 122.2 195.1 195.1 196.5-196.6-37.9-38-157.8 157.8-156.8-156.8z\" \/><\/svg><svg class=\"hds-mobile-submenu-toggle-icon display-block tablet:display-block desktop:display-none\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"8\" cy=\"8\" r=\"7.5\" fill=\"#0B3D91\" stroke=\"white\"\/><rect x=\"4\" y=\"7.6001\" width=\"8\" height=\"0.8\" fill=\"white\"\/><rect class=\"hds-mobile-submenu-toggle-icon-line-vertical\" x=\"7.59998\" y=\"12\" width=\"8\" height=\"0.8\" transform=\"rotate(-90 7.59998 12)\" fill=\"white\"\/><\/svg><\/button><ul id=\"basic-nav-section-one\" class=\"usa-nav__submenu\" hidden><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/\">Astronauts Home<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/active-astronauts\/\">Active Astronauts<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/management-astronauts\/\">Management Astronauts<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/former-astronauts\/\">Former Astronauts<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/astronaut-candidates\/\">Astronaut Candidates<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/partner-astronauts\/\">Partner Astronauts<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/become-an-astronaut\/\">Become an Astronaut<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/spacesuits\/\">Spacesuits<\/a><\/li><\/ul><\/li><li class=\"usa-nav__primary-item \"><a class=\"usa-nav__link\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/living-in-space\/\">Living in Space<\/a><\/li><li class=\"usa-nav__primary-item \"><a class=\"usa-nav__link\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/commercial-space\/\">Commercial Space<\/a><\/li><li class=\"usa-nav__primary-item\"><button type=\"button\" class=\"usa-accordion__button usa-nav__link\" aria-expanded=\"false\" aria-controls=\"basic-nav-section-one\"><span>More<\/span><svg class=\"hds-desktop-submenu-toggle-icon display-none tablet:display-none desktop:display-block\" width=\"16\" height=\"16\" alt=\"\" enable-background=\"new 0 0 400 400\" viewBox=\"0 0 400 400\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m4.2 122.2 195.1 195.1 196.5-196.6-37.9-38-157.8 157.8-156.8-156.8z\" \/><\/svg><svg class=\"hds-mobile-submenu-toggle-icon display-block tablet:display-block desktop:display-none\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"8\" cy=\"8\" r=\"7.5\" fill=\"#0B3D91\" stroke=\"white\"\/><rect x=\"4\" y=\"7.6001\" width=\"8\" height=\"0.8\" fill=\"white\"\/><rect class=\"hds-mobile-submenu-toggle-icon-line-vertical\" x=\"7.59998\" y=\"12\" width=\"8\" height=\"0.8\" transform=\"rotate(-90 7.59998 12)\" fill=\"white\"\/><\/svg><\/button><ul id=\"basic-nav-section-one\" class=\"usa-nav__submenu\" hidden><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/destinations\/\">Destinations<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/spaceships-and-rockets\/\">Spaceships and Rockets<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/news-and-events\/\">News and Events<\/a><\/li><li class=\"usa-nav__submenu-item \"><a class=\"usa-nav__link\" target=\"_self\" href=\"https:\/\/www.nasa.gov\/humans-in-space\/humans-in-space-multimedia\/\">Multimedia<\/a><\/li><\/ul><\/ul><\/nav><\/div><\/div><\/div><\/div><\/div>\n\n<div id=\"\" class=\"hds-topic-hero position-relative bg-carbon-black overflow-hidden width-full maxw-full grid-container display-flex flex-align-center flex-justify-center minh-tablet padding-y-9 padding-x-3 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-topic-hero\"><figure class=\"hds-media-background  \"><img fetchpriority=\"high\" decoding=\"async\" width=\"1041\" height=\"571\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?w=1041\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png 1041w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=300,165 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=768,421 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=1024,562 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=400,219 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=600,329 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins-study.png?resize=900,494 900w\" sizes=\"(max-width: 1041px) 100vw, 1041px\" loading=\"eager\" \/><\/figure><div class=\"skrim-overlay skrim-left mobile-skrim-top\"><\/div>\n\t<div class=\"hds-grid-container position-relative display-flex flex-align-center flex-justify-start width-full\">\n\t\t<div class=\"width-full maxw-tablet\">\n\t\t\t<div class=\"margin-bottom-7\">\n\t\t\t\t<h1 class=\"display-72 font-weight-extrabold line-height-sm margin-bottom-2 color-spacesuit-white-important\"><br><br><br>Twins Study<br><\/h1>\n\t\t\t\t<p class=\"p-lg margin-0 color-spacesuit-white-important\"><\/p>\n\t\t\t<\/div>\n\t\t\t<div class=\"hds-topic-hero-stats\">\n\t\t\t\t<h2 class=\"color-spacesuit-white-important label margin-bottom-2\">TODAY<\/h2>\n\t\t\t\t<div class=\"grid-row\">\n\t\t\t\t\t<div class=\"grid-col grid-row flex-align-center padding-right-2 desktop:padding-right-4\">\n\t\t\t\t\t\t<div class=\"grid-col grid-col-auto\">\n\t\t\t\t\t\t\t<div class=\"stat-number line-height-sm color-nasa-blue-tint font-weight-thin font-mono-2xl\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"color-spacesuit-white-important grid-col padding-left-2 tablet:padding-left-3\">\n\t\t\t\t\t\t\t<h4 class=\"stat-value line-height-md\"><\/h4>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"grid-col grid-row flex-align-center padding-right-2  desktop:padding-right-4\">\n\t\t\t\t\t\t<div class=\"grid-col grid-col-auto\">\n\t\t\t\t\t\t\t<div class=\"stat-number line-height-sm color-nasa-blue-tint font-weight-thin font-mono-2xl\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"color-spacesuit-white-important grid-col padding-left-2 tablet:padding-left-3 tablet:padding-left-3\">\n\t\t\t\t\t\t\t<h4 class=\"stat-value line-height-md\"><\/h4>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div><\/div>\n\n<div id=\"\" class=\"hds-tabbed-section color-mode-light padding-y-6 padding-x-3 hds-module hds-module-full wp-block-nasa-blocks-tabbed-section\"> \n\t<div class=\"grid-container grid-container-block\">\n\t\t<ul class=\"hds-tab-nav usa-list usa-list--unstyled grid-row\" role=\"tablist\">\n\t\t\t\t\t\t<li role=\"presentation\" class=\"hds-tab-nav-item usa-active\" data-tab-id=\"0\">\n\t\t\t\t<button role=\"tab\" type=\"button\" id=\"tab0-about\" aria-selected=\"true\" aria-controls=\"panel0-about\">\n\t\t\t\t\tAbout\t\t\t\t<\/button>\n\t\t\t<\/li>\n\t\t\t\t\t\t<li role=\"presentation\" class=\"hds-tab-nav-item \" data-tab-id=\"1\">\n\t\t\t\t<button role=\"tab\" type=\"button\" id=\"tab1-downloads\" aria-selected=\"false\" aria-controls=\"panel1-downloads\">\n\t\t\t\t\tDownloads\t\t\t\t<\/button>\n\t\t\t<\/li>\n\t\t\t\t\t\t<li role=\"presentation\" class=\"hds-tab-nav-item \" data-tab-id=\"2\">\n\t\t\t\t<button role=\"tab\" type=\"button\" id=\"tab2-faqs\" aria-selected=\"false\" aria-controls=\"panel2-faqs\">\n\t\t\t\t\tFAQs\t\t\t\t<\/button>\n\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t\t\t\t\t<div class=\"hds-tabbed-section-tabs margin-top-6\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-tab desktop:display-flex usa-active\" data-tab-id=\"0\" role=\"tabpanel\" id=\"panel0-about\" aria-labelledby=\"tab0-about\" >\n\t\t\t\t\t\t<div class=\"grid-col desktop:padding-right-5 padding-bottom-4 desktop:padding-bottom-0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"heading-29\">Discover the Science Goals<\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"p-md\">The landmark Twins Study brought ten research\u00a0teams around the country together to observe what physiological, molecular, and cognitive changes could happen to a human from exposure to spaceflight. This was accomplished by comparing retired astronaut Scott Kelly while he was in space, to his identical twin brother, retired astronaut Mark Kelly, who remained on Earth. Click below to learn more about the goals of the study.<\/p>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/twins-study\/about\/\" target=\"_self\" class=\"button-primary button-primary-sm link-external-true\">\n\t\t\t<span class=\"line-height-alt-1 \" >\n\t\t\t\tRead More                \t\t\t<\/span>\n\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"button-primary-circle\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"grid-col desktop:padding-left-5\">\n\t\t\t\t\t\t\t\t<div class=\"display-block\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-image margin-bottom-2 minh-mobile\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"256\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?w=640\" class=\"attachment-large size-large\" alt=\"twins study crop for ICYMI 170203\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg 1400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=300,120 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=768,307 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=1024,410 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=400,160 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=600,240 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=900,360 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/twins_17-02-03.jpg?resize=1200,480 1200w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-tab desktop:display-flex \" data-tab-id=\"1\" role=\"tabpanel\" id=\"panel1-downloads\" aria-labelledby=\"tab1-downloads\" hidden>\n\t\t\t\t\t\t<div class=\"grid-col desktop:padding-right-5 padding-bottom-4 desktop:padding-bottom-0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"heading-29\">Fun Facts and Shareables<\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"p-md\">Did you know that for nearly one year, retired astronaut Scott Kelly came into contact with only 12 humans while living aboard the International Space Station? Download the shareables below to discover more fun facts about the landmark Twins Study and the  people who participated in it.<\/p>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/twins-study\/twins-study-fun-facts-and-shareables\/\" target=\"_self\" class=\"button-primary button-primary-sm link-external-true\">\n\t\t\t<span class=\"line-height-alt-1 \" >\n\t\t\t\tRead More                \t\t\t<\/span>\n\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"button-primary-circle\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"grid-col desktop:padding-left-5\">\n\t\t\t\t\t\t\t\t<div class=\"display-block\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-image margin-bottom-2 minh-mobile\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"256\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?w=640\" class=\"attachment-large size-large\" alt=\"Astronauts Mark and Scott Kelly\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg 1794w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=300,120 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=768,307 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=1024,409 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=1536,614 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=400,160 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=600,240 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=900,360 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/twins_icymi.jpg?resize=1200,480 1200w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-tab desktop:display-flex \" data-tab-id=\"2\" role=\"tabpanel\" id=\"panel2-faqs\" aria-labelledby=\"tab2-faqs\" hidden>\n\t\t\t\t\t\t<div class=\"grid-col desktop:padding-right-5 padding-bottom-4 desktop:padding-bottom-0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"heading-29\">Frequently Asked Questions <\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"p-md\">What was the NASA Twins Study? Why did NASA pursue it? What were the key findings of the investigation? Discover answers to these and other questions about this unique experiment.<\/p>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/twins-study\/faqs-nasa-twins-study\/\" target=\"_self\" class=\"button-primary button-primary-sm link-external-true\">\n\t\t\t<span class=\"line-height-alt-1 \" >\n\t\t\t\tRead More                \t\t\t<\/span>\n\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"button-primary-circle\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"grid-col desktop:padding-left-5\">\n\t\t\t\t\t\t\t\t<div class=\"display-block\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-tabbed-section-image margin-bottom-2 minh-mobile\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?w=640\" class=\"attachment-large size-large\" alt=\"Retired NASA astronaut Scott Kelly (left), and retired astronaut Mark Kelly, pictured at NASA's Johnson Space Center.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png 4256w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=768,511 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1024,681 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1536,1022 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=2048,1363 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=600,399 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=900,599 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1200,798 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=2000,1331 2000w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t<\/div>\n\n<div id=\"\" class=\"hds-featured-story minh-tablet bg-carbon-black flex-column position-relative hds-module hds-module-full wp-block-nasa-blocks-featured-story\">\t<div class=\"hds-foreground-wrapper display-flex flex-column padding-y-9 padding-x-3\">\n\t\t<div class=\"grid-row grid-container grid-container-widescreen margin-bottom-auto width-full maxw-desktop-lg padding-0 z-400\">\n\t\t\t<div class=\"display-flex flex-align-center heading-12 text-uppercase z-400 color-spacesuit-white\">\n\t\t\t\t<svg class=\"margin-right-1\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 500 500\" style=\"enable-background:new 0 0 500 500;\" xml:space=\"preserve\"> <g> <path d=\"M490.4,19.2c-27.5,0-55,0-82.5,0c-43.4,0-86.7,0-130.1,0c-36.7,0-73.3,0-110,0c-43.4,0-86.7,0-130.1,0 c-8.6,0-17.1,0-25.7,0c-0.5,0-1.1,0-1.7,0c0,0.6-0.1,1-0.1,1.5c0,74.2,0,148.4,0,222.6c0,79,0,158,0,237c0,0.2,0,0.4,0,0.6 c-0.1,0-0.3-0.1-0.3-0.1c0-0.4,0-0.8,0-1.2c0-153.6,0-307.1,0-460.7c159.7,0,319.3,0,479,0C489.5,18.9,489.9,19.1,490.4,19.2z\"><\/path> <g> <path d=\"M243.5,1.4C108,4.8-2.5,117.7,1.4,257.4C5.2,391.1,115.8,501,254.5,498.6c135.9-2.4,245.1-113.6,244.1-250.8 C497.2,108.9,382.9-2,243.5,1.4z M249.9,473.7c-122.8,0-222.5-99.1-223.6-221.6c-1.1-124.5,99-224.7,221.4-225.9 c124.3-1.2,224.9,98.6,226.1,221.5C474.9,373.1,373.5,473.9,249.9,473.7z\"><\/path> <path d=\"M384.2,205.3c-32.8,0.1-65.5,0.1-98.3,0.2c-3.1,0-3.9-0.6-4.8-3.6c-2.1-6.9-4.2-13.7-6.3-20.6 c-7.7-24.9-15.3-49.9-23-74.8c-0.5-1.8-1.1-3.5-1.8-5.5c-0.2,0.6-0.4,0.9-0.4,1.1c-10.2,33.1-20.3,66.3-30.5,99.4 c-1,3.3-1.7,3.9-5.3,3.9c-10.8,0-21.5,0-32.3-0.1c-14.2,0-28.4-0.1-42.6-0.1c-8.4,0-16.7,0-25.6,0c0.9,0.7,1.4,1.1,1.9,1.5 c26.6,20.3,53.3,40.5,79.9,60.8c2.2,1.7,2.6,2.9,1.8,5.5c-9.1,29.1-18.1,58.2-27.2,87.3c-1.4,4.5-2.8,9-4.2,13.7 c0.6-0.4,1-0.6,1.3-0.9c26.6-20.4,53.1-40.8,79.7-61.1c3.1-2.4,3.8-2.4,6.9,0c26.5,20.3,53,40.7,79.5,61c0.4,0.3,0.8,0.5,1.5,1 c-0.3-1-0.4-1.6-0.6-2.2c-10.2-32.7-20.4-65.5-30.5-98.2c-1.1-3.5-0.8-4.3,2.1-6.6c26.1-19.8,52.1-39.6,78.2-59.5 c0.9-0.7,1.8-1.4,3.1-2.4C385.5,205.3,384.8,205.3,384.2,205.3z\"><\/path> <\/g> <\/g><\/svg>\n\t\t\t\t<span class=\"label\">Featured Story<\/span>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"grid-row grid-container grid-container-widescreen width-full maxw-desktop-lg padding-0 z-400\">\n\t\t\t<div class=\"grid-col-12 tablet:grid-col-12 desktop:grid-col-6 z-400\">\n\t\t\t\t<div class=\"margin-0\">\n\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t<h1 class=\"display-60 color-spacesuit-white-important\">NASA\u2019s Twins Study Results Published<\/h1>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<p class=\"p-lg color-spacesuit-white-important\">NASA\u2019s trailblazing Twins Study moved into the final stages of integrated research with the release of a combined summary paper...<\/p>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/nasas-twins-study-results-published-in-science-journal\/\" class=\"button-primary button-primary-md\">\n\t\t\t\t\t\t<span class=\"section-heading-md color-spacesuit-white-important\">Read the Story<\/span>\n\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"button-primary-circle\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"grid-col-12 tablet:grid-col-12 desktop:grid-col-6 z-400\"><\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class=\"skrim-overlay skrim-left mobile-skrim-top z-200\"><\/div>\n\t<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?w=640\" ><\/figure>\t<\/div>\n\n<div id=\"\" class=\"hds-content-lists-inner hds-module hds-module-full wp-block-nasa-blocks-content-lists\">\n\t\t<div class=\"hds-content-lists padding-y-5 desktop:padding-y-7 padding-x-3 bg-spacesuit-white width-full maxw-full\">\n\t\t\t<div class=\"grid-container grid-container-widescreen padding-x-0\">\n\t\t\t\t\t\t\t\t\t<div class=\"grid-row flex-align-start margin-bottom-3\">\n\t\t\t\t\t\t<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-1\">\n\t\t\t\t\t\t\t\t<h2 class=\"section-heading-sm line-height-sm\">Latest Content<\/h2>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<p class=\"margin-top-0 margin-bottom-2 maxh-tablet\">Stay up-to-date with the latest Twins Study content.<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"desktop:grid-col display-flex flex-align-center desktop:flex-justify-end\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t<div \n\t\t\tclass=\"hds-content-items hds-content-items-grid\"\n\t\t\tdata-post-type=\"post\"\n\t\t\tdata-post-id=\"384904\"\n\t\t\tdata-max-num-pages=\"2\" \n\t\t\tdata-per-page=\"3\"\n\t\t\tdata-current-page=\"1\"\n\t\t\tdata-categories=\"11504\"\n\t\t\tdata-news-tags=\"\"\n\t\t\tdata-layout=\"grid\"\n\t\t\tdata-show-thumbnails=\"yes\"\n\t\t\tdata-show-readtime=\"yes\"\n\t\t\tdata-show-excerpts=\"yes\"\n\t\t\tdata-show-content-type-tags=\"yes\"\n\t\t>\n\t\t\t\t\t\t<div class=\"hds-content-item\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/follow-the-blood-nasa-labs-process-astronaut-blood-for-twins-study\/\" class=\"hds-content-item-thumbnail\">\n\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"206\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg 4800w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=300,206 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=768,528 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=1024,704 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=1536,1056 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=2048,1408 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=400,275 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=600,413 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=900,619 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=1200,825 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_05191601.jpg?resize=2000,1375 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-content-item-inner\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/follow-the-blood-nasa-labs-process-astronaut-blood-for-twins-study\/\" class=\"hds-content-item-heading\">\n\t\t\t\t\t\t<div class=\"hds-a11y-heading-22\">Follow the Blood: NASA labs process astronaut blood for Twins Study<\/div>\n\t\t\t\t\t<\/a> \n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-content-item-readtime label margin-bottom-1\">\n\t\t\t\t\t\t\t6 min read\t\t\t\t\t\t<\/div>\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"margin-top-0 margin-bottom-1\">Blood samples from astronaut Scott Kelly taken during his one year mission in space arrived in the lab of NASA\u2019s...<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label color-carbon-60 margin-bottom-auto\"><svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg><span>Article<\/span><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"hds-content-item\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/nasas-twins-study-results-published-in-science-journal\/\" class=\"hds-content-item-thumbnail\">\n\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"206\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg 4800w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=300,206 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=768,528 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1024,704 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1536,1056 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=2048,1408 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=400,275 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=600,413 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=900,619 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1200,825 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=2000,1375 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-content-item-inner\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/nasas-twins-study-results-published-in-science-journal\/\" class=\"hds-content-item-heading\">\n\t\t\t\t\t\t<div class=\"hds-a11y-heading-22\">NASA\u2019s Twins Study Results Published<\/div>\n\t\t\t\t\t<\/a> \n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-content-item-readtime label margin-bottom-1\">\n\t\t\t\t\t\t\t9 min read\t\t\t\t\t\t<\/div>\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"margin-top-0 margin-bottom-1\">NASA\u2019s trailblazing Twins Study moved into the final stages of integrated research with the release of a combined summary paper...<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label color-carbon-60 margin-bottom-auto\"><svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg><span>Article<\/span><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"hds-content-item\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/fireworks-in-space-nasas-twins-study-explores-gene-expression\/\" class=\"hds-content-item-thumbnail\">\n\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png 1920w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=300,169 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=768,432 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=1024,576 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=1536,864 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=400,225 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=600,338 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=900,506 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/genes.png?resize=1200,675 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-content-item-inner\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/fireworks-in-space-nasas-twins-study-explores-gene-expression\/\" class=\"hds-content-item-heading\">\n\t\t\t\t\t\t<div class=\"hds-a11y-heading-22\">Fireworks in Space: NASA\u2019s Twins Study Explores Gene Expression<\/div>\n\t\t\t\t\t<\/a> \n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-content-item-readtime label margin-bottom-1\">\n\t\t\t\t\t\t\t3 min read\t\t\t\t\t\t<\/div>\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"margin-top-0 margin-bottom-1\">NASA\u2019s Twins Study preliminary results have revealed that space travel causes an increase in methylation, the process of turning genes on...<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label color-carbon-60 margin-bottom-auto\"><svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg><span>Article<\/span><\/div>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\n<div id=\"\" class=\"hds-gallery-preview padding-y-5 desktop:padding-y-7 padding-x-3 bg-spacesuit-white width-full maxw-full hds-gallery-preview-count-10 hds-module hds-module-full wp-block-nasa-blocks-gallery-preview\">\t<div class=\"grid-container grid-container-widescreen padding-x-0\">\n\t\t<div class=\"grid-row width-full\">\n\t\t\t<div class=\"grid-col-12 desktop:grid-col-8\">\n\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t<h2 class=\"heading-22\">Media<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"display-flex flex-wrap flex-align-center margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label hds-gallery-preview-label z-400 color-carbon-60 margin-right-3 margin-bottom-1\">\n\t\t\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"20px\" height=\"20px\" viewBox=\"0 0 20 20\" style=\"enable-background:new 0 0 20 20;\" xml:space=\"preserve\"><g><path style=\"fill:#585858;\" d=\"M10,0C4.5,0-0.1,4.5,0,10.1c0.1,5.4,4.5,9.9,10.1,9.9c5.5-0.1,10-4.6,9.9-10.1C19.9,4.4,15.4,0,10,0z M10.3,19 C5.1,19.1,1,15,1,10c0-5,4-9,9-9c4.9,0,8.9,3.9,9,8.9C19.1,14.9,15.1,18.9,10.3,19z\"\/><path style=\"fill:#585858;\" d=\"M14,9c-0.8,1.2-1.5,2.5-2.3,3.7C10.5,10.5,9.2,8.2,8,6c-1.5,2.7-3,5.3-4.5,8c4.5,0,9,0,13.5,0 C16,12.3,15,10.7,14,9z\"\/><path style=\"fill:#585858;\" d=\"M13,8c1.1,0,2-0.9,2-2c0-1.1-0.9-2-2-2c-1.1,0-2,0.9-2,2C11,7,11.8,8,13,8z\"\/><\/g><\/svg>\n\t\t\t\t\t\t<span>10 Images<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"desktop:grid-col-4 display-none padding-bottom-2 desktop:display-flex flex-align-start flex-justify-end\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"hds-gallery-preview-images grid-container grid-container-widescreen padding-x-0\">\n\t\t<div class=\"hds-gallery-preview-row hds-gallery-preview-row-lg\">\n\t\t\t<div class=\"hds-gallery-preview-col hds-gallery-preview-flex-two hds-gallery-preview-items hds-gallery-preview-grid\">\n\t\t\t\t<div class=\"hds-gallery-preview-row hds-gallery-preview-row-1-1\">\n\t\t\t\t\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1.2); transform-origin: 66% 25%; object-position: 66% 25%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png 6140w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=300,240 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=768,614 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=1024,819 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=1536,1229 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=2048,1638 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=400,320 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=600,480 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=900,720 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=1200,960 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/marknkelly.png?resize=2000,1600 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t\t\t\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"Expedition 45\/46 Commander, Astronaut Scott Kelly (right) along with his brother, former Astronaut Mark Kelly (left).\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg 7360w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=768,513 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=1024,683 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=1536,1025 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=2048,1367 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=600,400 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=900,601 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=1200,801 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/08\/jsc2015e004209.jpg?resize=2000,1335 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"hds-gallery-preview-row hds-gallery-preview-row-1-2\">\n\t\t\t\t\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?w=300\" class=\"attachment-medium size-medium\" alt=\"Astronaut gives himself immunization\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg 3200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=300,169 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=768,432 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=1024,576 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=1536,864 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=2048,1152 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=400,225 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=600,338 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=900,506 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=1200,675 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ap-year-in-space-photo-gallery-79991154.jpeg?resize=2000,1125 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t\t\t\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png 4256w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=768,511 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1024,681 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1536,1022 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=2048,1363 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=600,399 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=900,599 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=1200,798 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/04\/twins2.png?resize=2000,1331 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"hds-gallery-preview-col hds-gallery-preview-flex-three hds-gallery-preview-items\">\n\t\t\t\t\t<div class=\"hds-gallery-preview-item hds-gallery-preview-item-featured\">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"426\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?w=640\" class=\"attachment-large size-large\" alt=\"\" style=\"transform: scale(1.2); transform-origin: 53% 18%; object-position: 53% 18%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png 4928w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=768,511 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=1024,682 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=1536,1022 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=2048,1363 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=600,399 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=900,599 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=1200,799 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/twins.png?resize=2000,1331 2000w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"hds-gallery-preview-row hds-gallery-preview-row-2 hds-gallery-preview-row-sm\">\n\t\t\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"204\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1.2); transform-origin: 80% 82%; object-position: 80% 82%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg 3032w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=300,204 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=768,523 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=1024,697 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=1536,1046 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=2048,1394 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=400,272 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=600,408 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=900,613 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=1200,817 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2015\/03\/twins2_lg.jpg?resize=2000,1361 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"206\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"kellymarkscott_0519162100\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg 4800w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=300,206 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=768,528 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1024,704 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1536,1056 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=2048,1408 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=400,275 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=600,413 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=900,619 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=1200,825 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/09\/kellymarkscott_0519162100.jpg?resize=2000,1375 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"180\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"Identical twins, from left, Scott and Mark Kelly, are the subjects of NASA\u2019s Twins Study.\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg 2060w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=300,180 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=768,461 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=1024,614 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=1536,922 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=2048,1229 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=400,240 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=600,360 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=900,540 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=1200,720 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/02\/nasas-twin-astronauts-sco-009_0_0.jpg?resize=2000,1200 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"NASA astronaut Scott Kelly explores the use of augmented reality to reduce crew training requirements.\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg 4928w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=768,511 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=1024,682 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=1536,1022 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=2048,1363 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=600,399 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=900,599 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=1200,799 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/01\/iss046e043637_orig.jpg?resize=2000,1331 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t<div class=\"hds-gallery-preview-item \">\n\t\t<div class=\"hds-cover-wrapper width-full height-full\">\n\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?w=300\" class=\"attachment-medium size-medium\" alt=\"scott kelly and lemons\" style=\"transform: scale(1.2); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg 1430w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=768,511 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=1024,682 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=600,399 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=900,599 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/scott-kelly-and-lemons.jpeg?resize=1200,799 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<div class=\"desktop:grid-col-12 display-block desktop:display-none\">\n\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t<\/div>\n\n\n<p><\/p>\n\n\n<div id=\"\" class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-topic-cards\">\t\t<div class=\"grid-container grid-container-block-lg padding-x-0\">\n\t\t\t<div class=\"grid-row flex-align-center margin-bottom-3\">\n\t\t\t\t<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t\t<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n\t\t\t\t\t<h2 class=\"heading-36 line-height-sm\">Discover More Topics From NASA<\/h2>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Humans In Space<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"560\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?w=368\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg 368w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?resize=197,300 197w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/topic-humans-in-space.jpg?resize=263,400 263w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/artemis\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Artemis<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?w=1024\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg 5504w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=200,300 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=768,1152 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=683,1024 683w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=1024,1536 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=1365,2048 1365w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=267,400 267w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=400,600 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=600,900 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=800,1200 800w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/Artemis-I.jpg?resize=1333,2000 1333w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/humans-in-space\/astronauts\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Astronauts Home<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"480\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/edu_srch_microsofts_hacking_stem.jpg?w=320\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/edu_srch_microsofts_hacking_stem.jpg 320w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/edu_srch_microsofts_hacking_stem.jpg?resize=200,300 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/edu_srch_microsofts_hacking_stem.jpg?resize=267,400 267w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/international-space-station\/space-station-research-and-technology\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Space Station Research and Technology<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1536\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?w=1024\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg 1041w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=200,300 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=768,1152 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=682,1024 682w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=1024,1536 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=267,400 267w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=400,600 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=600,900 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss064e015250.jpg?resize=800,1200 800w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":46,"featured_media":82614,"parent":128438,"menu_order":0,"template":"","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[]},"categories":[2656,3596,3597,11504],"news-tags":[],"internal-terms":[11528],"coauthors":[8587,8643,8647,8636,11928],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"WebPage","headline":"Twins 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