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 ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The UArizona-managed Large Binocular Telescope on Mount ...

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 ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

NASA’s Juno spacecraft recently spotted a glassy-smooth lava lake amid the volcanic hellscape of Jupiter’s moon Io. When Juno’s orbit swooped past Io last December, its cameras captured a mirrorlike ...

Io does not have a shallow global magma ocean beneath its surface, counter to previous claims, suggests a paper published in Nature. Observations from NASA's Juno spacecraft, combined with ...