The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S.

Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped ...

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

The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .

No rivers ever ran out of the McDermitt caldera. By contrast, the other Yellowstone calderas were drained by waterways that carried away any lithium. Nature 641, 285 (2025) ...

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...

For decades, researchers in and around Yellowstone National Park have used seismic waves to map the hot mush below the Earth’s surface. Now, they're adding more to that toolkit.

They found four pockets together contain more liquid magma than was present during large, caldera-forming eruptions at ...

Meanwhile, the largest pool of near-surface molten rock is east of the caldera, which may ultimately drive a transition of explosive eruptions outside the present caldera. Nature, 2025. DOI: 10. ...

Book Review. A Place Called Yellowstone: The Epic History of the World’s First National Park. By Randall K. Wilson Counterpoint: 432 pages, $34 If you buy books linked on our site, The Times may ...