A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.
The volcanic system beneath Yellowstone National Park is one of the few places on Earth capable of an eruption so large it ...
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 ...
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 ...