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

Saturn's innermost moon, which resembles the Death Star from Star Wars, may be a "stealth" ocean world, according to new research. Mimas, which is the smallest and closest to Saturn of the ringed ...

Saturn’s moon Mimas earned the nickname “Death Star Moon” because of one enormous crater called Herschel. With steep walls ...

One of Saturn's moons may be able to support life. Researchers say there is evidence that shows Mimas may contain a liquid water ocean underneath a thick icy shell. "An ocean within Mimas would be ...

Far from the warmth of the Sun, some of the coldest-looking worlds in the solar system may be hiding the hottest surprises.

Saturn's moons Mimas (right) and Janus appear to hang silently in space as they orbit their ringed parent planet in this stunning photo from NASA's Cassini spacecraft at Saturn. The outer edge of ...

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