FILE: Dave Rempel, 28, a biologist with the Institute for Wildlife Studies, carries a juvenile bald eagle in a kennel to a ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

Gum makers have claimed, for decades, chewing is good for your mental health. They’re kind of on to something. Humans have chewed on gum for millennia. Scientists are still trying to figure out why.

Casey Anderson credited forgetfulness and procrastination for the treasure-trove of footage the camera captured.

Casey Anderson credited forgetfulness and procrastination for the treasure-trove of footage the camera captured.

Scientists hope understanding coyote widowhood will someday help humans in their own grief. A pair of coyotes (Canis latrans) in Griffith Park, Los Angeles. Unlike most other animals, coyotes have ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the bird’s survival. A southern cassowary stands on a beach at Etty Bay in ...

Naltrexone has long been used to treat alcohol use disorder. Now it’s gaining attention as a tool for people who want to cut back on drinking before it becomes a bigger health problem. Test tubes are ...

High in the mountains, Kazakh herders have lived in careful balance with wolves for centuries. Now a celebrated tradition has become a matter of survival. As climate change affects their prey, wolves ...

Bird lovers and conservationists are celebrating National Bird Day on Monday, Jan. 5, a day dedicated to highlighting the protection of avian species and their habitats. FOX 10's Desiree Fluellen has ...