NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, the Jovian moon Io.

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.

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

The Axial Seamount, an underwater volcano located about 300 miles off the coast of Oregon, is displaying behavior that ...

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

Since completing its primary science objectives in orbit of Jupiter, Juno has been conducting flybys of the Jovian moons Io, ...

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

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

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

One of the world's most active volcanoes erupted over 1,000 times in the first 19 days of 2025, producing ash clouds over two miles high.

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...