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 ...

The return of wolves to Yellowstone National Park may be leading to an improvement in the diet of grizzly bears, a study suggests. When wolves were eradicated from Yellowstone in the early 20th ...

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, ...