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

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 ...

This is the terrifying moment a man was forced to fight off a bear with a hatchet after disturbing her and her cubs. Footage taken in the Zilina region of Slovakia on March 21 with a camera ...

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 ...

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

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

Can you spot the grizzly bear sow and her three cubs in the image posted immediately below? (Answer at bottom.) I first spotted the bears at a traffic jam they caused by appearing alongside the ...

Past research has established that polar bear cubs’ odds of survival are impacted by how long their mothers spend denning. However, the underlying reasons have long been a mystery, and data obtained ...

She has already raised nine cubs in her lifetime ... the public on the challenges polar bears face in the wild. The polar bear conservation effort is in collaboration with the Association of ...

She was born in São Paulo, the daughter of a Russian couple. Like any energetic child, she barely stays still and never lets go of her toys. Her name is Nur, which means "light" in Arabic. She is a ...