Canis lupus body size is dynamic and complex, and biologists aren’t in total agreement about why wolves are much larger in ...

A flare up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf ...

Wyoming wildlife managers plan to reduce how many wolves can be hunted by 50% following a canine distemper outbreak that has cut the state’s wolf numbers to the lowest level in two decades.

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

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

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 ...