This valley in northeastern Yellowstone is home to a number of notable wolf packs. Embark on a tour or head out on your own ...

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

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

A virus outbreak hit Yellowstone wolf pups hard in 2025.

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. This voice experience is generated by AI. Learn more. This ...

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 ...

In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that ...

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