The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter’s moon Io is the most volcanically active world in the solar system. This ...

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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 ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor Europa is thought to harbor a vast global ocean of liquid water beneath ...

The simultaneous eruption of multiple volcanoes suggests a vast, interconnected network of magma exists beneath the surface, powered by the intense gravitational pull of Jupiter.

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image of Jupiter and Io, and a strange, elongated cloud on Mars.