Yellowstone's natural balance has been restored.

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

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, ...

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members ...

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 ...

Scientists discovered wolves frequently stole cougar kills, creating what researchers termed an "enemies with benefits" ...

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 ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

Bald eagles might be regarded as the most fearsome predators of the sky, but like any other wild creature, they do whatever ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Embark upon a thrilling wintertime expedition to Yellowstone National Park for a unique opportunity to witness packs of wolves in their pristine natural habitat. Aboard specially equipped vehicles ...