Enceladus is Saturn's sixth-largest moon, a 500 km-wide icy world famed for its south polar geysers spewing water from a ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Astronomers are reporting new findings about 3I/ATLAS, the rare interstellar comet now moving through the outer solar system, as NASA and research institutions expand monitoring of the object's ...

An X2 class solar flare hit Earth last night, with more flares and a coronal mass ejection likely on the way. Modern humans ...

Eight "skylights" may be entrances to underground spaces where evidence of ancient microbial organisms could be found.

From more than 2 billion miles away, a spacecraft built to study Jupiter’s icy moon Europa has managed to snap a crisp, ...

Some of the oldest objects in the solar system still drift above your head. Asteroids and comets formed before Earth took ...

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon ...