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 ...

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 ...

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 ...

NASA's Juno spacecraft, part of the Juno mission launched in 2011, has captured groundbreaking images of a significant volcanic feature on Jupiter's moon Io, known for its extreme geological activity.

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Juno mission ...

A NASA spacecraft is providing earthlings with an out-of-this-world look at what NASA calls “the solar system’s most volcanic world.”NASA has released images of Jupiter’s moon Io after the Juno ...

If there's no magma ocean, where does the 'melt' come from that emerges from the volcanoes as lava? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

New images of Jupiter's volcano-studded moon Io, taken by the Large Binocular Telescope on Mount Graham in Arizona, offer the highest resolution of Io ever achieved with an Earth-based instrument. The ...

Scientists can say two things with certainty about Io. First, this moon of Jupiter is the most volcanic object in the known universe. Its surface is festooned with so many lava-spewing calderas that ...

NASA’s Juno spacecraft recently made a close flyby of the solar system’s most volcanic body, the Jovian moon of Io. During the flyby, the spacecraft came within 1,000 miles of Io, which is the closest ...

"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 ...