The Many Faces of Venus See the planet Venus like you never have before. Throughout the century, astronomers have been searching for evidence of other planets beyond the solar system. An MIT professor ponders our place in the universe. Be a Stargazer All you need to be a stargazer are your naked eyes. Find that star you're looking for.
Scientific heavyweights give their opinions about the probability of actual alien encounters.
The late Carl Sagan wasn't convinced. The question we all want answered. In 1995, NASA began sending American astronauts to Mir to work side by side with Russian cosmonauts. But on one mission, a series of disasters struck Mir, jeopardizing that collaboration and the lives of Americans and Russians on board. Day in the Life Find out what a typical day was like on Mir.