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

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 ...

which is driven by internal heating from our planet's molten metal core. Juno photos from the spacecraft's last three flybys of Io show a dark patch emerging on the moon's surface. The most recent ...