Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

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

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the caves beneath Antarctica’s Mount Erebus are an anomaly in more ways than one.

The ice volcanoes are of special interest ... Land an unmanned spacecraft on Titan, Saturn's largest moon. And explore the surface for evidence of potential alien life. The billion dollar mission ...