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

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, ...

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 last caldera-forming eruption at Yellowstone "was much more complex than previously thought," according to the annual report about activity at the supervolcano. Skip to main content.

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

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

We know the caldera has made three impressive eruptions in its history, 2.1 million years ago, 1.3 million years ago, and about 631,000 years ago, reshaping the area’s landscape. What everyone ...

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).