San Francisco Zoo mourns the death of Tenzing, a beloved 12-year-old male red panda, due to suspected sarcocystosis.

For a man of little education, he had read libraries of books. A book a day was possible for him to consume and comprehend.

We were camped in the Northwest Territories conducting research when our camp dog started barking. Then the polar bear ...

Bill Whitaker saddles up for one of the last enduring symbols of the Old West, a Wyoming cattle drive that travels the same ...

The grizzly’s place on the list afforded them some important protections under the Endangered Species Act (ESA). Hunting was ...

Casey was getting ready to enjoy a beachside sunset when his visitors appeared out of thin air. Fortunately, he knew exactly ...

Bears hold endless fascination for people—they’re huge, and intelligent, and they look oh so cuddly. It’s easy to imagine ...

Investigation of a fatal grizzly mauling last spring near West Yellowstone didn’t yield many new insights, but did come with a strong warning.

BigPicture began in 2014 and has received more than 64,000 images from photographers around the world since launching. The ...