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 gases, and intense heat. For years, scientists have known about this ...

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 .

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

Over the weekend, a bison stumbled into the Grand Prismatic while several visitors could do nothing to save it.

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.

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 ...

The Yellowstone Caldera—the name refers to the large crater left behind after an eruption—is one of the largest volcanic systems on Earth.

This Yellowstone caldera is what is causing geysers to erupt. The U.S. Geological Survey says that the geological activity in the park can appear to be a sign of an impending disaster, ...