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

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

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

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.

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

Microbe communities living in rock and water systems beneath the Yellowstone Plateau Volcanic Field were influenced by a series of small earthquakes in 2021. The shaking from the seismic events ...

Car headlights illuminate the steam plume from Excelsior Geyser at Yellowstone. Image by Neal Herbert, National Park Service, CC3.0. Car headlights illuminate the steam plume from Excelsior Geyser at ...

A 4.2 magnitude earthquake struck near Great Falls on Thursday, briefly rattling residents and raising questions about why earthquakes occur in the region.

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

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in finding a new thermal feature at one of the most famous national parks. The ...