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 ...

In what year was Yellowstone National Park established as the world's first national park? Test your knowledge of Yellowstone National Park! Attempt this GK quiz on its location, wildlife, and facts ...

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

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

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 ...

Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild ...

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).

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.

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