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 astronauts Anne McClain and Nichole Ayers are set to begin their spacewalk on Thursday at 8 a.m. ET, exiting the space station for a planned six hours and 35 minutes. NASA will broadcast the ...

"I didn't look too good because I didn't feel too good," Pettit told reporters during a press conference from NASA's Johnson ...

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 ...

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

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

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

NASA astronaut Don Pettit will return to Earth from the International Space Station Saturday, alongside his two Russian ...

Pettit even got to celebrate his birthday twice. Due to the time zone difference, it was still April 20 when Pettit flew back ...