Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

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 ...

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

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 ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Brian Dugovich’s colleagues came up with that catchy four-word sound bite — “farming elk feeds wolves” — to sum up one finding from a study he led that investigated the effectiveness of Wyoming’s ...

This story was originally published by Mountain Journal. Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s Lamar Valley, a grove of aspens has ...