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 ...
Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...
Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild outbursts ...
Yellowstone was America's first official national park, and today, over 150 years after it was founded, Yellowstone remains an icon of the country's epic natural beauty. The Greater Yellowstone ...
United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...