Add Yahoo as a preferred source to see more of our stories on Google. Lower Falls in Yellowstone. A new study conducted by researchers at Colorado State University has found that nearly 30 years after ...

Add Yahoo as a preferred source to see more of our stories on Google. On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National ...

The male wolf’s arrival via ice bridge in 1997 changed everything. On the heels of co-authoring a study in Science Advances, Isle Royale wolf-moose study co-leader Sarah Hoy explains how he triggered ...

Beavers are some of the world's most prolific ecosystem engineers, creating, maintaining and radically altering wetlands almost everywhere they live. But what, if anything, might control this ...

WASHINGTON — One spring afternoon in 2015, biologist Thomas Gable followed signals from a gray wolf’s GPS tracking collar to a small stream in Minnesota’s Voyageurs National Park. There he found a ...

As fearsome apex predators at the top of the food chain, wolves linger in the cultural imagination as a symbol of true, dangerous wilderness. But aside from playing on our imagination, scientists have ...

The historic removal of gray wolves from the U.S. West facilitated the rise of mid-ranking predators across the region, wreaking havoc on historical ecosystem dynamics, a new study has found. Yet just ...

A gray wolf at the Wildlife Science Center in Forest Lake, Minn. Colorado is going to be reintroducing gray wolves. (Dawn Villella/Associated Press) Ecosystems in the Northwest were heavily shaped by ...

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 ...

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 ...