Rather, magma, gases and briny fluids were interacting in a hydrothermal ... “That’s very important for risk and hazard ...

The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North ...

When standing in many places in Yellowstone National Park, the signs of a buried heat source are unmistakable, making one ...

Using advanced technology that analyzes tiny gas bubbles trapped in crystals, a team of scientists led by Cornell University ...

The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...

Perched on a hot spot along the Juan de Fuca Ridge, the volcano is steadily inflating with magma, raising  the frequency of ...

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

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.