Yellowstone’s geological history is one of the most intensely studied in North America. From a map drawn on a bison pelt by ...

A bison died after it appeared to stumble into a popular hot spring, where temperatures reach 192 degrees Fahrenheit, while tourists watched on at Yellowstone National Park on June 21.

A bison was gruesomely boiled to death in a Yellowstone National Park hot spring last week -- as tourists watched in horror.

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.

A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from James Mauch, geologist with the ...

NASA is keeping an eye on Yellowstone, but not for the reason you might think. While most people worry about the supervolcano erupting, NASA is more interested in its extreme environment. The hot ...