This aerial photo released by the National Park Service shows the damaged Biscuit Basin boardwalks after a hydrothermal ...

Some of the largest volcanic eruptions on the planet have occurred at Yellowstone National Park, and scientists have ...

New mapping of the magma lying beneath Yellowstone National Park sheds light on where volcanic activity is shifting, and the ...

The lawsuit is the latest escalation in a decades-long fight between state and federal officials over how to manage the ...

The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

One of Yellowstone National Park’s most famous gray wolves, an 11-year-old matriarch who was blind in one eye, has died after ...

Large explosive eruptions occur in Yellowstone around once every 700,000 years, according to the U.S. Geological Survey.

Moose sightings are fairly rare in Yellowstone National Park, but this “moose head” is commonly spotted in the northern range ...

Department of Livestock and FWP join Gov. Gianforte in suing the park over its plan to increase the park’s bison population ...

While millions around the world tuned in to watch Kevin Costner’s sensationalized depiction of western history in the ...

The suit concerns brucellosis, a bacterial disease that infects cattle, swine, goats, sheep and dogs and can spread to humans.

New research shows that the reservoirs of magma that fuel the supervolcano 's wild outbursts seem to be shifting to the ...