Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the ...

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars—three of ...

Bison back up. It’s an animal-eat-animal world out there, especially in Yellowstone National Park. There are almost 70 different mammal species in Yellowstone, and most of those can be separated into ...

In Yellowstone, grizzly bears and wolves live pretty close together, and their territories often overlap. As you can imagine, ...

Wolves are considered an endangered species and need a recovery of their own. With conservation looking after the area, their population should be more resilient than before. Yellowstone’s ...

(These are trees that in fact thrive after a burn.) But the huge fire of 1988 ultimately produced few large trees. The elimination of Yellowstone's wolves allowed the elk to browse aspens unchecked.

After wolves killed five of his cows ... "We've not seen anything like that level of wolf on wolf mortality before." Yellowstone may be the nation's best-known wildlife haven, but it's not ...