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

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 ...

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

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

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 ...

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 ...