While the chance for an eruption is extremely low, the supervolcano is still likely to blame. A 2025 study from the United States Geological Survey determined that Yellowstone’s magma chamber ...

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 quietly lifting. Along the north rim of the Yellowstone Caldera, just south of Norris Geyser Basin, the ground has swelled into a broad dome roughly the size of Chicago, ...

A bulge stretching around the northern rim of the caldera has risen an inch since July.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Steamboat Geyser erupts in the Norris Geyser Basin of Yellowstone National Park on September 17, 2018. (Photo by Jacob W.

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

In honor of Valentine’s Day, let’s talk about a geyser in Norris Geyser Basin that came back to life in August 2025 after a 20-year hiatus – Valentine Geyser.

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

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Mark Stelten and Nicole Thomas, ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily ...

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