Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

What views of the night sky would we have if we had evolved on the Jupiter moon Europa, or one of the TRAPPIST-1 planets?

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

To solve that problem, a team of German researchers at the Technical University in Berlin figured that, instead of having a ...

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

But evidence for Callisto's subsurface ocean has remained inconclusive ... Close-up measurements are scheduled for NASA's Europa Clipper and the European Space Agency's JUICE (Jupiter Icy Moons ...

"Europa Clipper is actually a habitability ... Pair that with the increasing likelihood of a subsurface ocean, and though it's still far from a sure thing, that's enough evidence to justify ...