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 ...

A virus outbreak hit Yellowstone wolf pups hard in 2025.

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

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. The wolf was ...

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

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 ...

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