Yellowstone’s wolf reintroduction has often been described as one of conservation’s clearest trophic-cascade success stories.

For years, Yellowstone's wolf reintroduction has been held up as a classic case of predators transforming a landscape. But as ...

In 1995, Yellowstone National Park became the centre of a conservation experiment that would later be celebrated across the ...

Researchers have been sampling aspen stands for 25 years, but can't seem to agree on what large carnivore restoration has ...

Editor’s note: This story first appeared in Mountain Journal. YELLOWSTONE NATIONAL PARK — Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s ...

Wolf populations in Yellowstone National Park have myriad impacts on ecosystems, but exactly how those impacts play out in the complex system is still under consideration. New research from Utah State ...

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 ...

A flare up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf numbers in 2025, reducing biologists’ counts to a level last seen when wolves ...