Ganymede is not only Jupiter's largest moon, but also the largest in our solar system and one of the few that hosts a massive ...

Saturn has pulled decisively ahead in the solar system’s quiet “moon race,” with astronomers now tallying a staggering 274 natural satellites circling the ringed giant. The new count, driven by the ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...

For centuries, Saturn’s rings have been one of the most captivating features in our solar system, their stunning beauty ...

The moons are all tiny, barely two miles across in size. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A multitude of new moons have made their ...

Saturn's moon Mimas, just 250 miles wide, could have a liquid water ocean under its outer icy shell, according to new research led by Max Rudolph at UC Davis. If such moons are the right size, water ...

NASA's Juno spacecraft captured a photo of Jupiter's moon Thebe.

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water. New research says those seas do not always stay calm. When the ice lids ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...