On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.

Magma build-up activity in the region of a huge underwater volcano named the Axial Seamount just 300 miles off the US coast ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.

Increased volcanic activity in Greece’s famed tourist hotspot of Santorini has prompted the country’s civil protection ...

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade Range in the USA, with potentially huge implications for how geologists predict ...

Since completing its primary science objectives in orbit of Jupiter, Juno has been conducting flybys of the Jovian moons Io, Europa, Ganymede, and Callisto. The spacecraft completed two very close ...