Yellowstone has long been a mecca for scientists studying how predators affect everything from elk grazing to vegetation ...

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 ...

Aspen trees have seen better days, but gray wolves are helping them out. Yellowstone National Park isn't just home to geysers like Old Faithful. There's also plenty of wildlife, from the Yellowstone ...

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 National Park is home to several wild animals. Tourists are allowed to spot them only from a distance to ensure their safety and the animals' protection. The national park goes above and ...

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 ...