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

A review study shows that Yellowstone National Park's reintroduction of wolves was more complicated and predator conservation ...

The reintroduction of 14 wolves into Yellowstone National Park wasn’t just about saving a species – it was about restoring an ...

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.

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 ...

All reigns, no matter how historic, ultimately come to an end. And according to officials, Yellowstone National Park’s “Queen of the Wolves” finally passed away at 11-years-old after succumbing to ...

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YELLOWSTONE NATIONAL PARK, Wyo. – In 1877, five years after Yellowstone became the nation’s first national park, an unlikely band of visitors showed up at its western border. Chased by a phalanx of ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...

WASHINGTON — The U.S. House passed a bill last week removing federal protections for gray wolves in the lower 48 states. The ...

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 ...

The U.S. House passed a bill co-sponsored by Wyoming Rep. Harriet Hageman that will delist gray wolves from federal ...