In the shadow of nuclear disaster, these canines show remarkable resilience to the deadly disease.

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

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

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, ...

An ecological milestone has been unveiled at Yellowstone National Park following the finding of a new generation of overstory aspen trees for the first time in 80 years. This hopeful rebalance of the ...

New research published in Nature Scientific Reports reveals how gray wolves in Isle Royale National Park seasonally alter their habitat preferences to align with beavers’ habitat preferences, a shift ...

Across North America, mountain lions, bears, and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

Gray wolves are currently listed as endangered under the Endangered Species Act in most of the lower 48 states, except for the Northern Rocky Mountain population. In December 2025, the U.S. House ...