Wolves are known to travel long distances, but one Colorado wolf covered the distance equivalent from Denver to San Francisco in four months.

As dusk began to fall on Yellowstone National Park, the male grizzly bear wandered down a hill in hopes of getting a free dinner. He was clearly excited to get down to the fallen bison, but also made ...

Yellowstone National Park is home to breathtaking landscapes and diverse wildlife, but do you know which animal poses the ...