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

Anne McClain and Nichole Ayers achieved most of their planned tasks on today's (May 1) 5-hour, 44-minute extravehicular ...

The launch, a Starlink mission carrying 28 internet satellites to low-Earth orbit, is scheduled to take off from Space Launch ...

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

Watch live as NASA astronauts Anne McClain and Nichole Ayers perform a spacewalk outside the International Space Station.

"I was right in the middle of emptying the contents of my stomach onto the steppes of Kazakhstan," Pettit recalled ...

In NASA’s fifth all-female spacewalk, Anne McClain and Nichole Ayers installed solar panel mounts and repositioned antennas ...

NASA astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1 for the fifth-ever all-female spacewalk.

May 11: SpaceX launches NASA’s TRACERS mission. A SpaceX Falcon 9 rocket will carry twin synchronized spacecraft to orbit as ...

NASA astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1 for the fifth-ever all-female spacewalk.

McClain, an Army colonel and helicopter pilot, should have taken part in the first all-female spacewalk in 2019, but there ...