At the moon's north and south poles, permanently shadowed craters remain so cold that water ice and other frozen compounds can persist for billions of years. Scientists think these ancient deposits ...

The Artemis 2 astronauts who will become the first humans in more than 40 years to fly on a lunar mission are in quarantine. Here's what that means.

Webb’s latest image of the Helix Nebula reveals a dramatic close-up of a dying star shedding its outer layers. The detailed ...

As more and more space junk comes crashing down, a new study shows how earthquake monitors can better track incoming ...

The handprints dotting the walls of an Indonesian cave had tapered fingertips, and the team found the prints were nearly ...