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

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 ...

NASA’s car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

The NICER telescope developed a light leak in May 2023 when several thin thermal shields were damaged and let in sunlight ...