Yellowstone National Park has over 1,000 miles of trails and nearly 300 designated backcountry campsites, allowing people to ...

Scientists sample water from the Firehole River in Yellowstone National Park. The work was done under National Park Service research permit 5194. (Courtesy of the Yellowstone Caldera Chronicles ...

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

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Blaine McCleskey, research ...

Yellowstone's geology was a hot topic at the AGU meeting. More than 60 presentations touched on the park, whether it was looking at the diet of ancient wolves or activities of helium isotopes.

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 ...

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a subbasin of Upper Geyser Basin in Yellowstone National Park on May 31.

“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.

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.

Active v. quiet periods of activity throughout Yellowstone’s history The area has a history of eruptions and explosions, and it probably formed in the early 20th century, Poland said.