Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

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.

The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

The Yellowstone Caldera — the cauldron-like basin at the summit of the volcano — is so colossal that it is often called a "supervolcano," which, according to the Natural History Museum in ...

Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it ...

The Yellowstone Caldera, sometimes known as the Yellowstone supervolcano, is a volcanically active region in Yellowstone National Park. It measures 55 kilometers (34 mi) by 72 kilometers (44 mi ...

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.