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

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

A look at how wolf policy shifted from eradication to protection, and why wolf conflict is rising again across the West.

A new analysis challenges one of the most publicized claims about Yellowstone's wolves. In a detailed comment published in Global Ecology and Conservation, researchers from Utah State University and ...

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 ...

For the past 15 years, Luke Painter has been traveling to the northern range of Yellowstone National Park, where mountains rise and tributaries carve valleys of sage, willows and trees. This includes ...

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

The decision to reintroduce gray wolves in Colorado will be decided by the people, and both sides of the issue say the decision will impact the entire country. “Only in 2020, the weird year that we ...

This is the first story in a two-part series recapping Colorado’s second year of wolf reintroduction. Colorado’s wolf program ...

The Realities of Colorado's Wolf Reintroduction," we explored the dozens of stories we covered in 2025, ranging from in-depth ...