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

A 4.2 magnitude earthquake struck near Great Falls on Thursday, rattling residents across central Montana but causing minimal damage, according to the United States Geological Survey (USGS).

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

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 ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Is this aught that foreshadows a pop, Or any other danger? No, replied Michael Poland, a geophysicist and Scientist-in-Chief at the Yellowstone Volcano Observatory, as the concern went back to an ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity manifested in geysers, hot springs, mud pots, and other thermal features, but e ...

The new crop of grizzly cubs that will emerge this spring to the delight of visitors in Yellowstone have likely already been born, researchers say.

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

Yellowstone’s restless ground is on the move again. Since July 2025, instruments on the park’s north rim have recorded ...

The vast majority of the many quakes across the region are very small, rarely felt by people, and cause no damage.