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 ...

A new animation reveals an enormous lava lake on the surface of Jupiter's moon Io. The close-up view comes from NASA's Juno spacecraft, which swept within 930 miles (1,500 kilometers) of the ...

The acid yellow moon ... Io’s volcanic region produces enough energy that it contains the equivalent to six times the total output of all power plants on Earth. While Io’s surface includes ...