Learn about cryovolcanism, which shapes the surface of icy moons in the outer Solar System by releasing water that simultaneously boils and freezes.

Lava flows from Hawaii's Kilauea volcano can be seen from space, according to imagery from two different space agencies. The European Space Agency released a photograph from its Sentinel-2 ...

May 31, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

The U.N. principles in their current form don’t address these loopholes. The draft U.N. principles released in April mirror, and are confined by, the language of the Outer Space Treaty.