New tech is helping researchers better understand Yellowstone's apex predators.

It is a busy time right now in Yellowstone National Park with the grizzly bears waking up from hibernation as Spring weather ...

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Once the bear reached the area where the wolves were, the wolves must’ve smelled him ... then all chaos broke out.” ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

With more than half of the translocated wolves now dead, Colorado's wolf reintroduction program is unraveling.