A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Though it's winter in Yellowstone National Park, the fight for survival is still running as hot as ever. There’s likely not an animal that’s better at the long game than the wolf, especially when it ...

Some species are at their most active in winter, whether they’re flying, feeding, or mating. From elephant seals in ...

It didn't come as a surprise to researchers that the re-introduction of wolves in certain parts of the northern U.S. would reduce deer and elk herds, and thus reduce automobile accidents with those ...

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

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

Add Yahoo as a preferred source to see more of our stories on Google. A pack of Mexican gray wolves at an Illinois zoo got some special holiday enrichment ahead of Christmas. The Brookfield Zoo ...

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