Saturn's rings are almost as wide as the distance between the Earth and the moon, so at first glance, they seem like an easy place to land and explore on foot. Except there's one problem.

In 2005, an alien probe flew through the hazy and cold atmosphere of Titan, the largest moon of Saturn, and landed on the world's surface. That spacecraft -- named the Huygens probe -- was sent ...

A theory involving a "mushy zone" of ice along the moon’s fissures could explain the enormous plumes erupting from its south ...

The discovery points to what astronomers have thought for decades, that Saturn's rings were caused by a massive collision ...

And many believe that the best places to search are the icy moons around two of the biggest planets, Jupiter and Saturn. Currently, there are seven bodies in the outer solar system that are ...