NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

Io is Jupiter's third-largest moon, spanning roughly 2,300 miles (3,700 kilometers) across, which makes it slightly bigger than Earth's moon. It orbits Jupiter at a distance of around 262,000 ...

Io, Jupiter’s fiery moon, just erupted with enough energy to power Earth six times over! NASA’s Juno mission captured this mind-blowing event, revealing a hidden world beneath the surface. What does ...