Scientists debunk decades-long study claiming wolves' reintroduction triggered a dramatic transformation in Yellowstone.

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

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 ...

On Dec. 11, 2025, Colorado Parks and Wildlife officials captured and returned a wolf into Grand County, Colorado, that had ...