Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

The giant planet Jupiter has nearly 100 known moons, yet none have captured the interest and imagination of astronomers and space scientists quite like Europa, an ice-shrouded world that is thought to ...

The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5. When you purchase through links on our site, we may earn an affiliate commission.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...