Newborn polar bear cubs are currently snuggled in dens with their mothers across the Arctic. Polar bears typically give birth ...

The Cincinnati Zoo & Botanical Garden counts on federal funds to grow cat, polar bear and rhino populations country-wide. The ...

Researchers have captured extremely rare footage of polar bear cubs leaving their snowy dens for the first time. The footage, taken on the Norwegian archipelago Svalbard, shows a mother polar bear ...

How much they weigh: From as little as 60 pounds (27 kilograms) to more than 1,700 pounds (771 kg) ...

Pregnant polar bear females usually enter the den in late autumn and remain there throughout the winter. They don't eat ...

to reveal the first detailed look at polar bear cubs emerging from their dens. They have been tracking bears with GPS collars and setting up cameras in Svalbard, Norway, where the bears are known ...

Past research has shown that how long polar bear mothers remain at their dens impacts cubs' odds of survival. Yet why they stick around for so long and what they're doing remains poorly understood ...

Past research has shown that how long polar bear mothers remain at their dens impacts cubs’ odds of survival. Yet why they stick around for so long and what they’re doing remains poorly ...

Kali, the polar bear, yawns on Tuesday ... Crystal has had nine cubs, but is nearing the end of her reproductive years. Polar bears can mate into April, Macek said. “We’re sad to see him ...

Two-year-old twin polar bears Kallik (pronounced Kah-LEEK), left, and Kallu (Kah-LOO) take a swim during their public debut ...

While the bears enjoy soaking up the sun, warmer weather triggers several physiological changes. Baxendell explained polar ...

Kallik and Kallu made their public debut at the St. Louis Zoo on March 25. Kallik and Kallu: The twin polar bear brothers are ...