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 ...

In the heart of Wyoming lies Yellowstone National Park, a sprawling ecosystem that has captivated millions of visitors for centuries. However, its delicate balance faced a near collapse before a ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

The return of the iconic predators to the Golden State has been a quiet success story—but this month, state officials announced that they euthanized part of a pack that relied on killing cattle for ...

ORR, Minn. — The first clue was the flock of ravens. Tom Gable spotted the birds while driving to work. He pulled over and saw what they were circling: a rib cage poking out of the fresh dusting of ...