NASA's Curiosity rover made a compelling find on Mars ' irradiated surface.

Astronomers have gotten a glimpse of the "city-killer" asteroid before it disappears until 2028, according to NASA.

A NASA experiment shows that weightlessness selectively affects bones. The results could change how astronaut health is ...

"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

NASA discovered a supermassive black hole at the center of galaxy M87, 52 million light years from Earth. It's 2.6 billion ...

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

NASA's Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet.

NASA on Thursday (April 3) debuted the official Artemis 2 insignia, its first emblem for a moon-bound crew in more than 50 ...

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

NASA’s James Webb Space Telescope used its Near-Infrared Spectrograph to capture Neptune’s auroras in stunning detail.