NASA mulls 'what-ifs' of unmanned space station

NASA is mulling the worst-case scenarios of leaving the $100 billion International Space Station unstaffed for a period of time following the crash of a Russian rocket, US astronauts said Tuesday.

SpaceX plans November test flight to space station

California-based rocket maker SpaceX said that it will make a test flight in late November to the International Space Station, now that NASA has retired its space shuttle program.

US shuttle debris surfaces amid Texas drought

A piece of the ill-fated space shuttle Columbia has surfaced in eastern Texas, where a severe drought has dried up a lake and exposed debris from the 2003 accident, NASA said Tuesday.

Space shuttle's science brought payoffs to Earth

Science from the space shuttle helped open Earth's eyes to the cosmos and sister planets. It created perhaps the most detailed topographical map of Earth. And it even is helping doctors understand, and sometimes fix, what's ...

Obama dials for pizza, gets space station

Astronauts aboard the International Space Station got a very long-distance call Friday from US President Barack Obama, who joked that he thought he was dialing out for pizza.

Last spacewalk of US shuttle era ends (Update 2)

Two US astronauts wrapped up the last spacewalk of the shuttle era Tuesday at the International Space Station, where Atlantis is docked on the final mission of the 30-year US program.

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