Shuttle flight is delayed; Obama visits Giffords

(AP) -- The president was on his way. Space shuttle Endeavour's astronauts were riding out to the launch pad in a van. And a wounded Rep. Gabrielle Giffords had flown in from her Houston rehab hospital to watch her husband ...

China to attempt first space rendezvous

China will attempt its first space docking between two unmanned vehicles this year, the first step in efforts to build a Chinese space station, a senior official said Friday.

Congress backs Obama plan on NASA's future

(AP) -- Congress approved a blueprint for NASA's future Wednesday that extends the life of the space shuttle program for a year while backing President Barack Obama's intent to use commercial carriers to lift humans into ...

Astronaut muscles waste in space

Astronaut muscles waste away on long space flights reducing their capacity for physical work by more than 40%, according to research published online in the Journal of Physiology.

Space shuttle Discovery, crew of 7 back on Earth

(AP) -- Shuttle Discovery and its astronauts returned safely to Earth on Tuesday after making a rare flyover of America's heartland to wrap up their 15-day, 6 million-mile journey to the International Space Station.

Astronauts hit snag with new space station room

(AP) -- Astronauts ran into trouble Saturday while setting up the International Space Station's newest room, Tranquility: A critical insulating cover does not fit.

Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record

The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record for a fuel-cell ...

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