You might be among the 46 million people who’ve seen a video showing how wolves changed Yellowstone, or you may have heard some other version of this story ...

Add Yahoo as a preferred source to see more of our stories on Google. Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow ...

Add Yahoo as a preferred source to see more of our stories on Google. The striking wildlife moment highlights one of the park's biggest ecological success stories, as the wolf population continues to ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

This video showcases grizzly and black bears in Yellowstone, highlighting dramatic, rarely seen moments: clashes with wolf ...

8-Mile pack pups from two breeding females’ litters excitedly greet adults returning to the den. Pup survival to independence increases significantly with increasing numbers of adult pack members, who ...

One year ago, Congress defunded public media. Now that we're 100% community funded, please become a sustaining member or increase your existing membership today. This winter saw the most wolves from ...

"Free-ranging wolves in Yellowstone - where are they going to go? What are they going to do?" I can't start this review without admitting that I have loved wolves all of my life. When I was in third ...

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 did not, by and large, restore Yellowstone. Understanding the science behind this can teach us a lot about how ecosystems work. Even more interestingly, reflecting on why so many people are ...