Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

Jupiter’s moon Io has possibly been erupting for a very, very, very long time. Io is the most volcanically active body in our solar system, with some of its volcanoes shooting magma higher than ...

A new report suggests it was born this way. This image revealing the north polar region of the Jovian moon Io was taken on October 15, 2023, by the JunoCam imager aboard NASA's Juno spacecraft.

"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." The solar system's most volcanic body, the Jupiter moon ...

In 1979, NASA Jet Propulsion Laboratory (JPL) scientist Linda Morabito discovered volcanic activity on Jupiter’s innermost moon, Io. But Io isn’t just volcanically active—it is the most ...

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

NASA’s Juno mission captured Jupiter’s moon Io on December 30 during its closest flyby. Image: NASA/Image processed by Kevin M. Gill The mutilated surface of Jupiter’s moon Io was revealed ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: (left) NASA/JPL-Caltech/SwRI/MSSS Image processing by Emma Wälimäki; (inset) NASA ...