To better understand Jupiter’s primordial stages, researchers turned to the tiniest of the planet’s 92 known moons. Almathea ...

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...

A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

This was no ordinary expedition. It marked the first in-depth study of the geology, ocean conditions, and marine life beneath ...

Water ice is a crucial building block of planetary systems. We've found plenty of it in our own Solar System, in places like ...

If an atmosphere is gaseous, it doesn't mean it's featureless and well mixed. In fact, Jupiter's atmosphere has structures scientists are still learning about.

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...