NASA - National Aeronautics and Space Administration

A tech billionaire performed the first private spacewalk hundreds of miles above Earth, a high-risk endeavor reserved for...

Frank Culberson was the only American who watched the Sept. 11 terror attacks unfold from low earth orbit.

A Space Force officer will command a mission later this month to safely bring home two astronauts who have been unexpectedly...

Astronauts Butch Wilmore and Suni Williams have been holed up at the space station with seven others since the beginning of...

Boeing did not participate in Saturday's news conference by NASA.

After being a Navy SEAL, becoming an officer, then going to Harvard Medical School and now becoming an astronaut, what other...

The announcement came on the same day that the crew of the ISS had to unexpectedly board their capsules to wait for the...

Since NASA introduced its first group of astronauts, the so-called “Mercury 7,” in 1959, Douglas' selection marked only the...

Like the inaugural Boeing Starliner crew are set to do, here are the U.S. military astronauts who have flown to space as...

As the U.S. and its partners involved in the International Space Station work through another possible down-to-the-wire...