If that story has been oversimplified, the implications extend well beyond one national park.

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

One of the most celebrated claims about Yellowstone’s wolves is facing a major challenge. Scientists say the study behind the famous trophic cascade story relied on flawed methods that overstated the ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

Yellowstone’s wolf reintroduction has often been described as one of conservation’s clearest trophic-cascade success stories.

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

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 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 ...

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 ...