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

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

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 ...

Yellowstone National Park's famous wolf packs are facing an invisible threat that's bringing the number of surviving pups to ...

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

Deep in the heart of Yellowstone National Park, audio recorders roughly the size of hardcover books are documenting wolf barks, elk bugles and bird chirps 24 hours of the day, seven days a week, 365 ...

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 ...

Rare predator showdown: A grizzly bear and wolves battled over a bison carcass in Yellowstone, a rare but natural display of predator competition. Bears take the lead: Experts say grizzlies often ...