One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one ...

Deep below the Pacific, a restless seafloor volcano off Oregon is showing signs it may soon stir again. Axial Seamount, a ...

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

A recent study discovered the exact location of the Yellowstone supervolcano's magma cap -- and hints at when it may erupt.

New research shows that elevation changes and earthquakes in Italy's Campi Flegrei volcanic area are caused by rising pressure in a geothermal reservoir -- not magma or its gases, as commonly thought.

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It turns out that beneath the wild expanse of Yellowstone National Park lies one ...

Lithium that pooled in a volcanic caldera in the western United States had no way out, thanks to a lack of rivers.

For subsidence to occur, mass must be released from the subsurface, which can include magma, water, vapor, and carbon dioxide. Residents of Pozzuoli note the way the caldera "breathes," emitting ...