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 ...

This week in science, significant discoveries are challenging and expanding our knowledge of both Earth’s ecosystems and the vast expanse of the cosmos. A key development includes the remarkable ...

When gray wolves returned to Yellowstone National Park, the public heard a simple story: predators came back, balance returned, and the whole ecosystem changed. That narrative held that elk numbers ...

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, ...

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 ...

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 ...

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 ...

New research highlights how wolves influence ecosystems not just through hunting but by their mere presence, which alters ...