io, Juno and NASA

Immense energy from frictional heating on Io melts portions of its interior, resulting in a seemingly endless series of lava ...
NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...
Scientists think there’s an ocean of magma under its rocky surface. Io, which orbits Jupiter every 42 hours, was imaged by the only binocular telescope of its kind. Equipped with two 27-foot ...