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 ...

Saturn’s “Death Star”-like moon Mimas may have a boiling ocean under its icy shell. The moon pitted with craters—including a very large one, giving it its nickname—may appear to be geologically dead, ...

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 ...

Saturn’s moon Mimas earned the nickname “Death Star Moon” because of one enormous crater called Herschel. With steep walls and a central peak, it looks exactly like the superlaser dish from Star Wars.