What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) ...

Jupiter's second-largest moon has more impact craters on its surface than any other planetary body in the solar system, and it has tons of ice on its surface as well. For decades. researchers ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

April marks the last time to see Jupiter at its best before its observing window closes. On Tuesday evening (April 1), ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

Jupiter’s moon Io, the most volcanically active body ... and their structure sheds light on how magma moves beneath the surface of Io. Io’s volcanism — probably present over the moon ...

The discovery has raised a lot of questions. How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most moons? What are they going to call all these ...

NASA’s Voyager probes passed through Jupiter’s system and snapped pictures of its largest moons, also known as the Galilean Moons. These pictures and the data they gathered offered the first hints ...