Yellowstone was confirmed as a supervolcano system in the 1960s, dramatically shifting scientific perspectives on volcanic hazards. The identification of the Toba eruption’s global impact in the 1990s ...

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...

Baby bison appear to have a blast chasing each other at Yellowstone National Park Lake Mead warning issued over "lethal temperatures" Take a first look at the new Harry Potter as HBO begins filming ...

A supervolcano is located at Yellowstone National Park. Here's what happens to North America and the rest of the world if Yellowstone erupts.

The Yellowstone Volcano Observatory is a consortium of universities and agencies that monitors the Yellowstone supervolcano and conducts volcanic and geologic research.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season.

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Blaine McCleskey, research ...

Mike Poland, scientist-in-charge of the Yellowstone Volcano Observatory, said that’s one of the public’s biggest misconceptions about Yellowstone.

Yellowstone visitors watched in horror as a bison fell into the Grand Prismatic Spring, struggling to escape the boiling water in a tragic wildlife event.