The heat from Saturn may allow the moon's icy surface to melt slightly ... It is a small, potato-shaped moon with a spongy-looking texture. Scientists suggest that Hyperion's odd shape is ...

There is no surface below. Saturn's made almost entirely of hydrogen and helium gas, which is why it's called a gas giant. 4,000 kilometers above the surface, we hit Saturn's upper atmosphere.

Their reasoning was simple: Mimas’ heavily cratered surface showed no signs of an internal ocean. As with Enceladus, Saturn’s gravity should churn the ocean waters within Mimas, causing large ...

Life in our solar system could exist, even on the icy recesses of Jupiter and Saturn's moons ... could survive just under the surface ice despite the harsh radiation on these worlds.