NASA astronauts Nichole Ayers and Anne McClain complete egress of the International Space Station during a spacewalk mission.

NASA astronauts Anne McClain, Nichole Ayers and two international crew members splashed down in the Pacific off California ...

NASA astronauts Anne McClain, commander; and Nichole Ayers, pilot; along with mission specialists JAXA (Japan Aerospace ...

A new Trump administration directive seeks to radically change NASA's vision for a continued astronaut presence in low Earth ...

According to NASA, the SpaceX Dragon spacecraft successfully splashed down in the ocean at 9:33 a.m. off the California coast ...

Four astronauts returned to Earth on Saturday after hustling to the International Space Station five months ago to relieve ...

Four astronauts from NASA's Crew-10 mission departed the International Space Station on Friday aboard a SpaceX Dragon capsule ...

Four astronauts, including NASA's Anne McClain and Nichole Ayers, safely returned to Earth after a five-month mission on the ...

NASA and SpaceX's Crew-11 mission is made up of two U.S. astronauts, one from Japan and a Russian cosmonaut. They'll be ...

The medical center previously conducted a test with bacteria in simulated space conditions, which showed a reduced ability to ...

Mark and Scott Kelly, twin brothers and former NASA astronauts, spoke to "CBS Mornings" about how the agency is set to lose ...

NASA officials remain eager for Starliner to begin these regular crew rotation flights, even as its sole destination, the ISS ...