NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...

Learn how a deactivated satellite sends signals from beyond, not by reviving its systems, but by inadvertently setting off ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

The four people at the helm of America's space agency held a town hall meeting with employees Wednesday, fielding questions ...

"Honestly, it's been a little devastating," Kevin Hardegree-Ullman, a scientist at the NASA Exoplanet Science Institute at ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

NASA’s acting administrator expects to decide on a new “top-level” structure for NASA within weeks, but her successor may not ...

A day after Group Captain Shubhanshu Shukla became only the second Indian to travel to space, the Axiom-4 (Ax-4) mission he's ...

A Russia-controlled module on the space station has been leaking for years. Now, operators are working to figure out if the ...

Retired astronaut Peggy Whitson, America's most experienced space flier, and rookie crewmates from India, Poland and Hungary ...

NASA's Perseverance Mars rover ground down a portion of a rock surface, blew away the resulting debris, and then went to work ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...