How can we explore Saturn's moon, Enceladus, to include its surface and subsurface ocean, with the goal of potentially ...

NASA's Europa Clipper mission has launched to study Jupiter's icy moon Europa, which may harbor a potentially habitable ocean beneath its surface.

NASA’s Galileo spacecraft, which was designed to study the large, gaseous planet Jupiter and its moons, first caught hints of ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...