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

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 ...

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

The Yellowstone National Park experiences the most significant changes that do not signal with noise. The surface started to rise in the very middle of one of the busiest spots of the north rim of the ...

This less-visited Wyoming wilderness area, known as 'The other volcanic range' in Yellowstone, is known for stunning mountain ...

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 ...

Tens of thousands of hidden earthquakes were recently discovered beneath the Yellowstone volcano by a group of international scientists, revealing ways to better inform the public of potential risks.

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.