A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

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 ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

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 ...

Wolves can attain speeds of 30-plus mph in bursts. But in an open chase they cannot come close to catching the planet’s second fastest land animal – the North American pronghorn. These elegant ...