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 ...

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.

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

One hundred years ago, on June 23, 1925, a mountainside in the Gros Ventre Range in northwest Wyoming collapsed, unleashing ...

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

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 ...

What if you only had a day or two to spend in Yellowstone National Park? Where would you go? What would you photograph? If ...

“The Yellowstone system is one that’s been stagnant for a long time.” The volcano’s largest eruption, which earned it the title of a supervolcano, occurred 2.1 million years ago.

Most tremors were part of minor swarms near West Yellowstone, Montana. Geologists also observed about 3 cm of ground sinking, or subsidence, in the caldera since October, a continuation of a long ...

The most recent eruption at Yellowstone happened about 630,000 years ago. It was massive and left a giant crater known as a caldera.