Nearly three decades after gray wolves were brought back to Yellowstone National Park, their return appears to be helping ...

The first half of the story is well established. Wolves were eradicated from Yellowstone in the 1920s. With the wolves gone, ...

A wolf leaves Yellowstone National Park. It follows the scent of elk, crosses an invisible boundary and enters Montana.

Ecologists Robert Beschta and William Ripple later documented the ecological consequences of this imbalance. Their research showed that prolonged overgrazing reduced the height and density of riparian ...

Add Yahoo as a preferred source to see more of our stories on Google. The striking wildlife moment highlights one of the park's biggest ecological success stories, as the wolf population continues to ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

WyoFile shared the news on its Instagram. Mollie's Pack is the only remaining pack since Yellowstone's 1995-96 wolf reintroduction. They take their name from late U.S. Fish and Wildlife Service ...