Across the span of 1671 through 1684, Italian-French astronomer Giovanni Cassini discovered four moons of Saturn while ...

A new study reveals a curious relationship between Saturn's moon Rhea and its neighbor, Titan. The second largest planet of the Solar System, Saturn is adorned by icy rings and orbited by a veritable ...

Newly released for the holidays, images of Saturn’s second largest moon Rhea obtained by NASA’s Cassini spacecraft show dramatic views of fractures cutting through craters on the moon’s surface, ...

NASA's Cassini spacecraft has found evidence of material orbiting Rhea, Saturn's second largest moon. This is the first time rings may have been found around a moon. A broad debris disk and at least ...