Researchers believe the chemistry resulted from a rare combination of volcanic ash, salty seawater, and sunlight.

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

Hunga Tonga created the largest volcanic eruption of the 21st century—then cleaned up its own mess.

Klyuchevskoy volcano in eastern Russia began erupting shortly after a powerful 8.8 magnitude earthquake and several aftershocks shook the same area. "A descent of hot lava is observed on the western ...

KINGSTOWN, St. Vincent (AP) — La Soufriere volcano has fired an enormous amount of ash and hot gas in the biggest explosive eruption yet since volcanic activity began on the eastern Caribbean island ...

Deep beneath Portugal’s São Jorge Island, a massive surge of magma silently pushed upward from more than 20 kilometers underground in 2022, triggering thousands of earthquakes and briefly raising ...

The magma reservoir of the largest volcanic eruption of the Holocene is refilling. This Kobe University insight on the Kikai caldera in Japan allows us to understand giant caldera volcanoes like ...