Jupiter's moon Io may host alien life in protected lava tubes. Now, Avi Loeb claims the anomalous interstellar object ...

Key Findings The moon once dismissed as the solar system's most hostile environment may now sit directly in the path of an ...

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide.

NASA responded directly to Kim Kardashian trying to promote conspiracy theories about the 1969 moon landing. Acting Administrator Sean Duffy addressed the reality star, 45, on X, formerly Twitter, ...

Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

Io, moon of Jespiter Jupiter, is famously volcanically active. It has more than 400 active volcanoes, over an area the size of Asia. Some of the volcanic mountains are taller than Mount Everest.

Before me is an expansive, arid landscape—a realm of valleys, chasms, and crevasses, of steep cliffs and dusty soil, framed by distant mountains. It might as well be on the moon itself, save for the ...

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with hundreds of active hot spots. Its mountains rise higher than Everest. Its lava ...

Plus, the Geminid meteor shower peaks on the night of Dec. 13-14, and the winter solstice arrives Dec. 21 at 10:03 a.m.

Bigger, Reusable Heavy-Lift Rockets. Since the very first orbital missions of Sputnik and Yuri Gagarin, space exploration has ...