Despite their liquid water and potential for habitability, these moons are very different environments from Earth. On Earth, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

While the crater-pitted moon may appear geologically dead, researchers have discovered more could be going on under its icy ...

But on larger icy moons, the ice layer may break up before the water boils, preventing the formation of a boiling ocean.

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are ...

The vast shadow of Saturn's largest moon Titan will fall upon the upper extreme of the ringed gas giant in the early hours of Sept. 20, just one night before the planet shines at opposition in Earth's ...

Before the Space Launch System rocket of the Artemis program and SpaceX's Starship got here, the Saturn V rocket used in the Apollo Moon exploration program was humanity's largest and most powerful ...