It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S. Geological Survey and scientist-in-charge of the Yellowstone Volcano ...

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 ...

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

We're only halfway through 2025, and volcanoes have already been making headlines as 54 eruptions including Mount Etna in Italy have already taken place. But there are some bigger potential eruptions ...

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 ...

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 .

Yellowstone National Park is known for its geysers, hot springs, and scenic views, but beneath it lies a massive supervolcano. This colossal volcanic system has erupted in the past with ...

The amount of melted rock beneath Yellowstone's supervolcano is far higher than previous estimates, a new study has found. While researchers say there is no sign of an imminent eruption, ...

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 ...

Yellowstone supervolcano has a lot more magma than previously thought: Scientists. However, there are no signs of "increased volcanic unrest" at the park.

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).

Is Yellowstone's supervolcano on the brink of erupting? Concerning study reveals just how close the enormous magma reserve is to the surface. READ MORE: What life on Earth would look like if ...