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

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature ...

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 ...

A NASA spacecraft orbiting Jupiter has just witnessed some of the most extreme volcanic eruptions ever seen in the solar system, coming from a giant underground magma chamber on the "tormented" Jovian ...