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

An astronaut who missed out on the first all-female spacewalk is getting her chance six years later. NASA's Anne McClain ...

NASA astronauts Anne McClain and Nichole Ayers completed the fifth all-female spacewalk after a short delay to inspect a glove. They worked on upgrading the space station’s power system.

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