Beavers are making a comeback in Oregon. No, we’re not talking about the beleaguered OSU football team—but the fuzzy, ...

Across the globe, wildlife is in crisis. Insect populations are crashing, bird species are disappearing, and pollinators, the unsung heroes of food production, are vanishing at alarming rates. One of ...

What do bison, beaver, wolves and sea otters all have in common? They're keystone species. That means they have an outsized impact on their ecosystem. It took humans driving some of these to near ...

A critical species to the ecosystem is facing a variety of threats. This Earth Day, ABC News is taking a look at solutions for issues related to climate change and the environment with the series, ...