A tour group in Yellowstone National Park on Sunday witnessed a spectacular chase involving a wolf and coyote. The ...

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 the Yellowstone ecosystem.

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 ...

At the age of 11 years, 9 months, Wolf 1090F has earned the title of the oldest living wolf in Yellowstone, which is ...

Now, the researchers at Yellowstone National Park want to learn wolf language beyond what has been fed to us through ...

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. This winter saw the most wolves from ...

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

D E N V E R, Jan. 14 -- In a victory for environmentalists and a defeat for ranchers, a federal appeals court on Thursday upheld the right of the gray wolf to roam freely through Yellowstone National ...

Yellowstone actors Kelly Reilly and Jefferson White recently revealed some frightening experiences from the sets of the hit ...