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

Yellowstone National Park is a place of wonder and beauty that never ceases to amaze the millions who visit each year.

Experts have dismissed the possibility of an eruption, saying, 'It’s Yellowstone being Yellowstone.' ...

Far beneath Yellowstone’s famous geysers, the ground is quietly on the move. Parts of the volcanic system are rising by ...

Yellowstone’s restless ground is on the move again. Since July 2025, instruments on the park’s north rim have recorded roughly an inch of uplift, a subtle rise that mirrors the pattern that preceded ...

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

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 ...

Learn more about the rare instances when seismic and magma activity overlap in Yellowstone National Park.

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 ...

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 ...

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 ...

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 ...