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

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

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

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

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

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

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

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

The grounds in the north rim of Yellowstone have bloated about an inch since July 2025 due to magmatic stress. Is this a sign of an impending eruption?

Add Yahoo as a preferred source to see more of our stories on Google. A National Park Service (NPS) representative has debunked videos circulating online that falsely claim animals are fleeing ...

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 ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...