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

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 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 ...

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

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 ...

NASA's robotic Juno spacecraft is delivering the fresh data on Io with a series of flybys, each getting closer to Jupiter's volcanic moon until a pair of close-up encounters at a range of less ...

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.

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 ...

Jupiter has an embarrassment of riches when it comes to moons. Among its 80 known moons is Io, which NASA describes as the most volcanically active world in the solar system. Io is about to take ...

Jupiter’s moon Io is the best example of a world of fire, freckled with volcanoes and cracked by lava spills. There are many competing theories to explain the workings of this fire-orb.

An artist’s concept of a lava lake on Jupiter’s moon Io called Loki Patera. The image was made using data from the JunoCam imager aboard NASA’s Juno spacecraft.