A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Two of NASA's giants of cosmic discovery, including a rover that launched from Florida, have been named among Time's best ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

Update: NASA and SpaceX have postponed the launch due to an "unfavorable weather forecast" and are now targeting liftoff for 11:43 a.m. ET Friday, Aug. 1. The next rocket to launch on a mission ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

Earth's magnetosphere protects our planet from being constantly bombarded by solar wind that can disrupt satellites, GPS and other technology. To better understand the phenomenon, NASA plans to place ...

Editor’s Note: This story was updated Nov. 15, 2022. In 1962, President John F. Kennedy told a crowded stadium at Rice University that the U.S. would lead the charge of landing a man on the moon by ...

NASA's Curiosity rover has another, even bigger, apparently history-making discovery that might just change everything about the universe as we know it — but they aren't telling anyone what it is, ...

The next satellites SpaceX helps to deliver to orbit from Southern California won't be its own, but rather two of NASA's. Spaceflight missions to deploy internet-beaming Starlink satellites are by far ...