Jupiter, the giant of our Solar System, remains one of the most fascinating and mysterious planets to explore. With its ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Jupiter's four best-known moons are the Galilean moons, discovered by Galileo Galilei in 1610. They are named Ganymede, Callisto, Io and Europa, after figures in Greek mythology associated with ...

Europa, the superstar among Jupiter’s many moons One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It's encased in an ice sheet estimated to be 10 miles to 15 miles ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian ...

The full moon will come "with a celestial bonus—setting in the early morning sky near a dazzling alignment of Saturn, Venus, and Jupiter." ...

One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It’s encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.

Lake Effect astronomy contributor Jean Creighton shares some myths behind some of our solar system’s most famous moons and ...