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 ...

It's a world home to gigantic storms bigger than Australia, 100-mph winds pummeling its northern reaches and a rocky moon riddled with lava-spewing volcanoes. Welcome to Jupiter. NASA scientists have ...

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," and the space agency released new images of the flyby. The ...

Recent observations suggest that Jupiter’s volcanic moon, Io, could be significantly hotter than scientists previously estimated. This revelation, reported on November 7, 2025, suggests that tidal ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An image of Jupiter and Io as seen by NASA's Juno on August ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." When you purchase through links on our site, we may earn an ...

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

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Jupiter, as seen by NASA’s Juno spacecraft on Dec. 28, 2024, ...

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 research is revealing the secrets of Io, the mysterious volcanic moon of Jupiter. Four centuries after Galileo discovered Io in 1610, NASA sent a spacecraft called Juno on a five-year mission to ...