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 ...

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

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 ...

Yellowstone’s supervolcano is showing signs of awakening after 160,000 years. Find out how scientists are tracking magma ...

Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife ...