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

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

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

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

UC Davis research suggests that Saturn's moon Mimas may harbor a hidden, potentially boiling ocean beneath its icy crust due to tidal heating effects.

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 ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

Saturn's small moon Mimas, nicknamed the "Death Star" for its giant crater, may have a hidden ocean beneath its icy shell, researchers from UC Davis said. A slight wobble in the moon's movement ...

On Sept. 17, 1789, the British astronomer William Herschel discovered Saturn's "Death Star" moon, Mimas. Of course, "Star Wars" wasn't a thing at the time, and no one had ever heard of something ...