A volcano in southern Alaska is rumbling with seismic activity, which hints at the possibility that it might soon erupt.

Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

It is one of the most active and powerful volcanic systems on Earth, responsible for some of the largest eruptions in history ...

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

Kilauea volcano on the Big Island of Hawaii shot lava 330 feet into the air on Tuesday — the latest in a series of eruptions ...

An eruption of Mount Churchill today similar to previous major plumes would bring much of the Northern Hemisphere to a ...

The rise of magma to a higher portion of Kanlaon Volcano’s vent is an indication of a 'possible eruption,' according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS). Photographs ...

Scientists are monitoring seismic activity on Santorini, as small quakes near the caldera raise concerns about possible ...