America's Heartland was hit by an earthquake, sending shockwaves through several US states. Several aftershocks were also ...

Yellowstone National Park, Wyoming, USA Info from Licensor: "This video was filmed at Yellowstone National Park during a ...

The enormous 3,600ft-tall volcano - named the Axial Seamount - sits around 5,000ft below the surface of the Pacific Ocean and ...

One volcanologist who has spent time studying the volcano said the devastation its eruption would cause would be "complete and incomprehensible." ...

Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding ...

Scientists warn the next massive volcanic eruption is not a matter of if, but when—and the world is woefully unprepared.

Despite an explosive summer at Yellowstone National Park — marked by a thermal feature eruption that destroyed a boardwalk and sent visitors fleeing from an eruption of black water, mud and ...

Yellowstone National Park is noted for the geothermal marvels, but it is the threat below ground that holds the attention.

The greatest supervolcano on Earth, a geological giant with enormous destructive potential and an unmatched promise for ...

Ranger naturalist George D. Marler meticulously documented changes in hydrothermal activity in the geyser basins of ...

Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...

Deep within the Yellowstone Caldera, the bowl-shaped rock cauldron at the heart of Yellowstone National Park, there’s a clue ...