msnbc.com: Space
Einstein was right: General relativity confirmed
Female space pioneer promotes science careers
China space program selects first women astronauts
A Chinese proverb says women hold up half the sky.
SpaceX aborts rocket engine test
Orbiting stars circle each other in minutes
SpaceX fires rocket engines in quest to fly cargo
Space Exploration Technologies fired up the engines of its debut Falcon 9 rocket on Tuesday, a key milestone in its quest to fly cargo -- and eventually astronauts -- to the International Space Station.


Buzz Aldrin, 80-year-old veteran of the first moon landing by Apollo 11, is facing a much more down-to-Earth challenge as a contestant on the new season of TV's "Dancing With the Stars."


