National Aeronautics and Space Administration - NASA

An Army Special Forces surgeon is getting ready to blast off into space on the 50th anniversary of the Apollo 11 landing.

In 1961, Cobb became the first woman to pass astronaut testing.

An Air Force spokesman said that there were no injuries and that the anomaly was "contained."

Station astronaut Christina Koch (Cook) will remain on board for about 11 months, until February.

Together, the retired Navy captains constituted the starkest nature-versus-nurture study in history.

Plans for NASA's upcoming spacewalk have been altered.

"Apollo 11 in the Archives: Selections from the Neil A. Armstrong Papers" is at Purdue's Humanities, Social Science, and Educ...

Army Lt. Col. Anne McClain will make history as part of NASA's first all-female spacewalk at the International Space Station.

"Apollo 11" relies on footage shot and audio recorded at the time, and the results, from liftoff to landing to the journey ba...

Move over, Men in Black. There's a new intergalactic sheriff in town.

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Spc. Ryan Riley, 22, died in Ninawa province, Iraq.

The Air Force Chief of Staff has called for improved, better-fitting uniforms -- not only for comfort, but also for safety.

Furness said he had repeatedly observed that the most disciplined units were the ones who fared best in combat.

Four Florida designated historic lighthouses have been "determined to be excess to the needs of the U.S. Coast Guard."

A federal appeals court rejected a bid by former Army intelligence analyst Chelsea Manning to be released from jail.