The first spacewalk was conducted in 1965, by Russian cosmonaut Alexey Leonov. Nearly 20 years later, cosmonaut Svetlana ...

Stacking wheat snack bread, beef steak, cheese spread, potatoes au gratin and gochujang red pepper paste, NASA astronaut ...

Don Pettit, NASA's oldest active astronaut, addressed his eventful return to Earth. Shortly after the spacecraft touched down ...

Billionaire Jared Isaacman, who has been to space twice and is Trump's pick to head NASA, could be one step closer to ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

NASA is asking private industry and academia for ideas for new rescue services for its astronauts on Earth in the event of ...

Watch the trailer for 'Sally,' the National Geographic documentary about astronaut Sally Ride, directed by Cristina Costantini.

Debuting May 6, "BUZZ" tells the dramatized story of the challenges that the Apollo 11 astronaut faced both before and after ...

The former NASA rocket scientist flew into space in mid-April alongside Katy Perry and Gayle King for a 10-minute, all-female ...

NASA astronaut Don Pettit has 30 years of being an astronaut under his belt, and in a recent interview, he revealed a unique ...

NASA's oldest full-time astronaut said that during his most recent trip to the space station, he didn't feel his age at all.

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.