Io orbits so close to Jupiter that gravity alone reshapes its entire surface. Instead of cooling over time, the moon is ...

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 ...

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and even from the ground itself. New research suggests that the moon's orbit could ...

Jupiter’s volcanic moon has always felt like a place that tests your sense of what a world can be. Its surface glows with hundreds of active hot spots. Its mountains rise higher than Everest. Its lava ...

"It's like estimating the brightness of a bonfire by observing only the flames and not the surrounding embers." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

JunoCam, the visible light imager aboard NASA’s Juno, captured this enhanced-color view of Jupiter’s northern high latitudes from an altitude of about 36,000 miles (58,000 kilometers) above the giant ...

An Exo-Io? The most volcanically active body in the solar system, Io ejects material that is then swept into space by Jupiter’s magnetosphere at a rate of roughly a ton per second. The result is a ...

Io, the innermost of Jupiter’s Galilean moons, remains one of the most volcanically active bodies in the Solar System. Its relentless activity is driven by tidal forces that flex the moon’s interior, ...