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

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

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

The result may have been comparable to Jupiter's moon Io, the most volcanic body in the solar system. Early in the history of the solar system, a massive protoplanet plowed into a young Earth.

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 ...

Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA. The Voyager 1 spacecraft had flown past this moon of Jupiter, ...

Discovered by Galileo in 1610, Io has since become one of the most fascinating objects in planetary science. Orbiting just 350,000 km above Jupiter, Io experiences gravitational forces 300% stronger ...