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

Stories from the Yellowstone fires of 1988, which burned approximately 1.3 million acres inside the park and surrounding area ...

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 ...

Violent eruptions continue in Hawaii, sending lava hundreds of feet into the air and spreading glass threads over nearby areas.

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 ...

Beryl Spring, located between Mammoth Hot Springs and Madison Junction in Yellowstone National Park, was named for the ...

Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?

Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make it one of the biggest draws for tourists in the US.But those famous hot ...

How can lightning and solar storms be used to map magma beneath Yellowstone? Through magnetotelluric imaging, which provides ...

For decades, researchers in and around Yellowstone National Park have used seismic waves - imagine giving the region an MRI - to map the hot mush below the Earth's surface. Now a group of scientists ...