Two NASA astronauts will step outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's ...

NASA says the change is part of the agency's "continued effort to enable a robust commercial industry and supports policy ...

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

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.

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

Two NASA astronauts plan to participate in a 6-hour, 35-minute spacewalk Thursday to upgrade the International Space ...

Two NASA astronauts will conduct the fifth all-female spacewalk in history today (May 1), and you can watch the action live. Nichole Ayers and Anne McClain will head outside the International Space ...

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

Their primary tasks included relocating a communications antenna used for contact with approaching and departing spacecraft, ...

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after ...