The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

For the first time in thousands of years, dire wolves are alive – or at least a close approximation to them – as scientists claim to have achieved the world's first successful animal de-extinction.

A gray wolf runs in Grand Teton National Park in Wyoming. While it's legal to kill wolves in most parts of the state, they're mostly protected in Oregon and Washington. Photograph by Jeff Vanuga, ...

In California, as wolf numbers grow — a remarkable return after a century — livestock producers are increasingly worried as these predators occasionally take down cattle. Gray wolves are an endangered ...