Astronaut Greg Chamitoff, aboard the International Space Station 220 miles above Earth, responds to your questions.
Mission Control, Houston, and astronaut Greg Chamitoff, in orbit aboard the International Space Station, have begun a new game of chess.
For more than a thousand years, the game of chess and its predecessors have been played on park tables, in homes, at schools and, in modern times, even on television and in arenas as a spectator sport.
Astronaut Greg Chamitoff, aboard the International Space Station 220 miles above Earth, is ready to take your questions.
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Take a virtual tour of the orbital outpost.
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Exterior photos show the Station's growth as new components are added.
See how the International Space Station orients itself.