A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

The volcanic system beneath Yellowstone National Park is one of the few places on Earth capable of an eruption so large it ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

Yellowstone’s restless ground is on the move again. Since July 2025, instruments on the park’s north rim have recorded ...

The earth's rumbling beneath Yellowstone, but don’t worry; scientists are keeping a close eye on that supervolcano and its playful eruptions.

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the ...

Did anyone else grow up in perpetual fear of any and all natural disasters? I don’t know if it was cartoons or what, but as a ...

U of U geology professor Robert B. Smith has made a 50-year career out of studying Yellowstone. He presents a lecture on the Yellowstone Supervolcano Wednesday, March 18, at 7:30 p.m. at the Skaggs ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...