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

Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it went dormant over the winter, it could appear again this summer.

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.

Learn more about some of the microbes found in Yellowstone National Park hot springs and how they may hold the secrets to how life evolved on Earth.

After a multi-decade march of progressive excesses across our nation’s institutions, the pressure rose enough for the people ...

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

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) ...

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.

“This explains why Yellowstone caldera is characterized by numerous episodes of rhyolite lava flow activity that correlate in time with basaltic activity outside of the caldera.” Another striking ...