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 ...

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

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

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

AI may have just found evidence of over 80,000 earthquakes that occurred underneath Yellowstone National park. The quakes, which are detailed in a new study, suggest that the supervolcano beneath the ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to ...

The Grand Prismatic hot spring in Yellowstone National Park is sourced from a magma chamber beneath it. The bright colours are produced by hydrophilic bacteria in the mineral-rich water. Yellowstone, ...