Polar bears don’t have to worry about skipping a wash day. The sebum, or natural oil, on the mammals’ fur helps them survive the harsh Arctic weather by making it hard for ice to stick to them ...

Polar bears on ice in Northern Canada. Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that polar bears are invisible in ...

This story appears in the February 2019 issue of National Geographic magazine. Not too long ago I was the guide on a wildlife-photography trip to Svalbard, an archipelago halfway between Norway ...

Researchers have combined satellite collar data with specialized cameras to shed light on one of the most mysterious and important stages in polar bears' lives -- maternal denning, when bears give ...

SAN DIEGO — The work of the San Diego Zoo Wildlife Alliance goes far beyond what we see here at home. In fact, they are gaining critical knowledge daily all around the world, including in the ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that polar bears are invisible in infrared cameras, meaning their fur has the ...