If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

NASA astronauts are preparing for two spacewalks to complete tasks outside the International Space Station. Here's what we ...

A suggestion made last week by acting NASA administrator Sean Duffy that SpaceX could be booted from the agency’s upcoming moon-landing plans has rocked the space industry. Now, behind the scenes, ...

NASA has just sent a spacecraft into orbit that looks less like a traditional satellite and more like something from a 1950s movie set, a sleek disk that immediately invites the phrase “flying saucer.

NASA's Artemis II mission, set to launch on Feb. 6, will send four astronauts farther from Earth than any human has traveled ...