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

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

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

Something roughly the size of Chicago is quietly pushing the ground upward along the north rim of the Yellowstone Caldera, ...

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

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

That's the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on social ...

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

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 ...

Dominic Lucero For the Chronicle Sep 30, 2025 Sep 30, 2025 Six years of scientific investigation within Yellowstone National Park has revealed a volcanic system far more complex than scientists ...