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 ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

Io is the most volcanic ... patch emerging on the moon's surface. The most recent image (right) was taken at the greatest distance and, therefore, has the lowest resolution.