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

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing ...

Jupiter’s third-largest moon Io is the most volcanically active world in our solar system. New radio images by the ALMA telescope array show the direct effect of this volcanic activity on the ...

Jupiter sets record after 12 new moons discovered 00:14. A NASA spacecraft made its closest-ever approach to Jupiter's moon Io, coming within 930 miles of the "surface of the most volcanic world ...

The mutilated surface of Jupiter’s moon Io was revealed in great detail by the Juno spacecraft, which has been exploring the Jovian system since 2016 and recently pulled off the closest flyby of ...

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

Flybys of Jupiter’s moon Io, the only known volcanic world in our solar system, have captured images of a massive lava lake and a towering Matterhorn-like mountain.

Io, the third-largest of Jupiter's many satellites, is just a touch bigger than Earth's moon. It orbits about as close to Jupiter, on average, as our moon does to Earth. This proximity and Jupiter ...

Also published is a compilation of Juno's images of Io taken on Oct. 16, as well as another photo showing both Io and Jupiter in the same field of view.. Io is the fifth most distant moon from ...

Io's volcanic processes are poorly understood because we don't have long-term continual observations of the moon, Marchis said. Even when the Galileo spacecraftorbited Jupiter and its moons ...