There are a staggering number of animals in Yellowstone National Park. ... An estimated 5,000 or more bison live in Yellowstone, and it is basically impossible not to see one! Elk.

It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S. Geological Survey and scientist-in-charge of the Yellowstone Volcano ...

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death ...

Tourists at Yellowstone National Park witnessed the tragic death of a bison who fell into the near-boiling waters of the Grand Prismatic Spring at Midway Geyser Basin, near Old Faithful.

A Northern California photographer captured footage of an extremely rare fox in Lassen Volcanic National Park this winter.

Scientists have long been mystified about how animals who munch on plants in Yellowstone National Park all get enough food to eat. Animals all living in the same habitat and eating the same foods ...

The recording highlights that there is still much to learn about the animals and plants that live in (New South Wales).” ...