The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

Simply look to the western sky after sunset. The delicate form of the crescent moon is set to draw close to the planet ...

New data from the orbiter has unveiled some of the treacherous conditions of not only Jupiter, but its moon Io, the most volcanic body in the solar system. The findings, which come after Juno has ...