Natural predators aren't just fearsome hunters. They are ecosystem architects that sculpt wild landscapes, influence ...

Around 3,500 moose now wander Colorado. The hungry herbivores are also threatening a once-wetland-rich valley in Rocky ...

Claims that wolves have rescued Yellowstone National Park aspen trees through ‘trophic cascade’ oversimplify a complex story ...

Both a grizzly bear and a wolf pack targeted a bison carcass in Yellowstone National Park, Wyoming in December. A tense fight ...

From ski trips to Northeastern slopes to Hawaiian holidays, some of my favorite travel experiences in the United States have ...

A grizzly bear attacked a group of elementary school students and their teachers in British Columbia, injuring 11 people. Authorities say teachers were able to use bear spray and bear bangers to scare ...

Grizzly numbers have grown significantly in areas considered “bear country,” like Glacier and Yellowstone National Parks and ...

The massive, intelligent Orca (Orcinus orca) is the world's largest apex predator. Learn how its pack-hunting tactics allow ...