The most volcanically active world in the solar system, Jupiter's moon Io, may possess a global ocean of magma underneath its surface, as well as mysteriously warm poles, a new study finds. Previous ...

Unlike any other moon, Io is locked in a gravitational tug-of-war between Jupiter and its neighboring moons, stretching and ...

Jupiter’s volcanic moon, Io, is exhibiting geothermal activity far beyond what scientists had anticipated, with heat levels ...

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 to ...

Behold the volcano-blanketed moon, Io. After swooping by Jupiter's tortured moon on Feb. 3, NASA's Juno spacecraft beamed back some of the closest-ever images of this unique world. The agency's deep ...

Trapped in a gravitational push and pull between Jupiter and other Jovian moons, Io is constantly being stretched and compressed. Heat generated by these contortions has melted pockets of the moon's ...

There are new, high-quality images of Jupiter's moon, Io, thanks to the nearest flyby of the celestial body by a spacecraft in decades. NASA released images Saturday taken by the Juno spacecraft, ...

Astronomers at The Johns Hopkins University, the Observatoire de Paris, and other institutions have solved a nearly 30-year-old mystery surrounding Jupiter’s moon Io, showing that volcanoes there ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on Tuesday ...

"For the very first time, we have a global view of Io's ongoing volcanic activity." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The most ...