With a few exceptions, only online articles that are available to the public are listed here. Journals that provide free access to older issues are listed even if the article in question is not available to the general public at the time of posting. Articles Authors A - C Associated Press, 2000.
China plans lunar landing, Mars expedition .
P. L. Barry, 2000. Microscopic stowaways on the ISS . NASA Science News . P. L. Barry, 2001. Leafy green astronauts .