Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Yellowstone National Park is home to several wild animals. Tourists are allowed to spot them only from a distance to ensure their safety and the animals' protection. The national park goes above and ...

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 ...

Claims that wolves have rescued Yellowstone National Park's aspen trees through a "trophic cascade" oversimplify a complex story.

New study compares tolerance for wolves versus tolerance for hunting them. Its survey answers might surprise you.

The Blood Moon Pack has had a rough couple of years. The male, named Y1T and known for distinct dark streaks on his face, had produced a litter of pups with his mate in the spring of 2024, but none ...

Update: On Dec. 11, 2025, Colorado Parks and Wildlife officials captured and returned a wolf into Grand County, Colorado, that had traveled into New Mexico. Since their reintroduction to the state in ...

Tourists visiting Yellowstone National Park on October 6 were left stunned after witnessing a man walk straight toward a wild wolf pack in what authorities are calling a highly dangerous and reckless ...