National Aeronautics and Space Administration - NASA

NASA astronaut Christina Koch spent nearly 11 months in orbit to set a record for the longest spaceflight by a woman.

Kayla Barron can now be a little more specific about what she does for a living.

The six women and seven men were chosen from a record-breaking 18,000 applicants.

Researchers want to inspect the handful of chocolate chip cookies baked by astronauts in a special Zero G oven just in time...

The Starliner descended into the Army's White Sands Missile Range in the frigid predawn darkness.

It was supposed to be a crucial dress rehearsal for next year's inaugural launch with astronauts.

SpaceX made an early holiday delivery to the International Space Station on Sunday, bringing muscle-bound “mighty mice,” pest...

Lt. Kayla Barron never imagined she might become an astronaut until she served on a submarine.

The satellite — called Icon, short for Ionospheric Connection Explorer — rocketed into orbit following a two-year delay.

The three men were extracted from the capsule and put on chairs so that they could undergo preliminary medical checks.