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

Yellowstone National Park is a place of wonder and beauty that never ceases to amaze the millions who visit each year.

Yellowstone’s restless ground is on the move again. Since July 2025, instruments on the park’s north rim have recorded roughly an inch of uplift, a subtle rise that mirrors the pattern that preceded ...

Far beneath Yellowstone’s famous geysers, the ground is quietly on the move. Parts of the volcanic system are rising by ...

Geologists discovered a new blue water spring at Yellowstone National Park that likely formed after a series of "mildly explosive events," the United States Geological Survey said. The hole is about ...

Learn more about the rare instances when seismic and magma activity overlap in Yellowstone National Park.

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

The same geyser that erupted last summer in a hydrothermal explosion along a Yellowstone National Park boardwalk was caught erupting on video again thanks to a newly-installed webcam to track the ...