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 ...

An object bright enough to be seen streaking across the midday sky has fallen across parts of the Southeast U.S. The National ...

Astronomers may have found the perfect Mars base location, and it's right next to a huge deposit of frozen water.

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

The American Meteor Society has received numerous reports of a fireball over the US Southeast on Thursday afternoon, ...

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

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

"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 ...

Chief Meteorologist Carson Vickroy sat down with Ross Hays, who works as a meteorologist at the NASA Columbia Balloon ...