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

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

Yellowstone National Park sees millions of tourists every single year, but only a lucky fraction ever get a front-row seat to ...

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

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

Learn more about the canine distemper outbreak that could have reduced Yellowstone wolf pup populations to a historic low.

One Colorado wolfpack, the Copper Creek pack, is responsible for over 60% of livestock depredations and $700,000 in claims, ...

The award-winning documentary “Lost Wolves of Yellowstone,” in IMAX, is now showing on San Diego’s largest IMAX screen, in the giant dome of the Fleet Science ...

Despite distemper-driven decline, most remaining canines now have strong antibodies and resistance — and state biologists are ...