Here are some of the most incredible animals that call Yellowstone National Park home, when you're most likely to see them, and where in the park they can be found. Yellowstone National Park is ...

An iconic apex predator appeared through thick fog like an apparition and cautiously watched a photographer in Yellowstone ...

A pair of apex predators prowl across Yellowstone ... and even more rare to see two of them traveling together. Lyons told ...

Footage shows the normally elusive mountain lions traversing a snow-covered ridge as if out for a Sunday stroll.

“Look carefully above the mountain goats to see a cougar stalking ... Cougar sightings are rare in Yellowstone, with an estimated population of only 34 to 42 animals residing in the park ...

A wildlife biologist turned photographer follows daunting animal migrations ... Plateau—the most remote area in the lower 48—just outside the southeast corner of Yellowstone.

The vast catchment area that is Yellowstone National Park has ... go anywhere in the park without coming across the most varied collection of animals in North or South America.

A pair of apex predators prowl across Yellowstone National Park ... “I would say not the most common location to see wild cougars, but as an apex predator in the ecosystem they do have free ...