One of the most celebrated claims about Yellowstone’s wolves is facing a major challenge. Scientists say the study behind the famous trophic cascade story relied on flawed methods that overstated the ...

Detailed weight data on wolves near Yellowstone reveals that Wyoming's wolves seem to weigh much more than gray wolves in other parts of the Lower 48. Here's why ...

The impact of the wolf population recovery on the ecosystem of Yellowstone National Park could have been significantly ...

Thirty years after gray wolves were reintroduced to Yellowstone, the verdict is more nuanced than the popular legend. The ...

A virus outbreak hit Yellowstone wolf pups hard in 2025.

Colorado’s effort to bring wolves back has become far more than a wildlife story. It has split hunters, ranchers, ...

Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are woven together.

Wyoming wolves are stout compared to some other Lower 48 subpopulations, and the reason why they tend to run hefty is ...

A herd of bison in Yellowstone National Park decided that the best defense is a good offense, so it worked together to chase ...

For wolves in Yellowstone, it’s all about survival. Pack members sometimes put the smackdown on each other, just to maintain ...

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