The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time.

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San Francisco, the ...

A seismic survey reveals a magma cap 2.5 miles under Yellowstone, acting as a pressure-release lid and reducing the risk of a super volcano eruption.

Residents fled inland as ports flooded on Kamchatka near the quake's epicenter, while frothy, white waves washed up on the ...

A seismic survey reveals a magma cap 2.5 miles under Yellowstone, acting as a pressure-release lid and reducing the risk of a super volcano eruption.

It’s no secret that a super volcano lies miles beneath the surface of Yellowstone National Park, but all this time researchers knew little beyond that — until now. A team of researchers ...