Astronauts may be living on the frontiers of human space exploration, but they still need to eat and sleep like the rest of us.

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Some of the best-documented encounters Earthlings have had with asteroids and meteorites.

An archival page outlining the Humans Orbiting Mars exploration concept.

New research expands our understanding and observations of how planets form. And, good news in the fight for NASA funding.

What can an astronaut do on the Moon that a robot can’t?