As the innermost of Jupiter’s Galilean moons, Io offers a glimpse into some of the most extreme geologic phenomena in the ...

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 ...

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

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 ...

Io is the most volcanically active body in the solar system. The volcanic activity is thought to be powered by tidal deformations caused by variations in Jupiter's gravitational pull, because of ...

NASA's Juno mission revealed that Jupiter's moon, Io, the most volcanic body in our solar system, doesn't possess a global magma ocean. Instead, separate magma chambers fuel its over 400 active ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some ...