researchers have theorized that resting beneath Callisto's pockmarked surface is a liquid saltwater ocean that spans the entire moon ... heat source from within) over a time span long enough ...

ALIEN life could be hiding away on the vast ocean of a nearby moon. Scientists say there's a ... average less than one cell per liter of water over Titan's entire vast ocean." ...

New research from scientists with the Chinese Academy of Geological Sciences and published in the journal Science found that sample analysis backs up an established model of the moon as a global ...

They also found similarities in age. These findings bolster theories that during the moon's early years, it was covered by an ocean of magma. Chang'e-6 basaltic fragment. Credit: Beijing SHRIMP ...