Scientists have spied a vast reservoir of hot, partly molten rock beneath the supervolcano at Yellowstone National Park that’s big enough to fill the Grand Canyon 11 times over.

Most people know that Yellowstone is a mostly quiet supervolcano, but recently, scientists have become aware of a lot more ...

However, can you drink these salty waters and expect to stay alive and healthy? Research chemist Blaine McCleskey debunked the mystery in a column organized in collaboration by the Yellowstone Volcano ...

Yellowstone National Park, mostly located in Wyoming, is home to hundreds of species of birds, fish and mammals such as bison, elks, grizzly bears and mountain lions. But these animals are not on the ...

Yellowstone is home to nearly 300 bird species, 16 fish species, five amphibian species, six reptile species and 67 mammal species, NPS said on its website. The park is overseen by the Yellowstone ...

Since May 14, 2025, Yellowstone Volcano Observatory scientists have remotely monitored activity in Biscuit Basin using a ...

The are many types of fluids that flow between the deep mantle underlying Yellowstone National Park and the atmosphere above ...

U. research • Seismologists found a massive chamber of lava and rock 12 to 28 miles below the park, much larger than the one closer to surface. Yellowstone's underground plumbing is becoming ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from R. Greg Vaughan, research ...

Left: This is a map of Yellowstone showing the extent of mapped Lava Creek Tuff members A and B, which erupted during the formation of Yellowstone Caldera about 631,000 years ago.

The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time.