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

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

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

Yellowstone National Park is quietly lifting. Along the north rim of the Yellowstone Caldera, just south of Norris Geyser Basin, the ground has swelled into a broad dome roughly the size of Chicago, ...

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

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

Nearly 5 million travelers come to Wyoming to visit Yellowstone National Park each year, most in the summer months. They come for the geysers, wildlife, scenery and recreational activities such as ...

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 ...