You might remember in science class learning about hibernation – a time when certain animals "sleep" for long periods ... days' worth of energy for a polar bear, according to the WWF.

New research finds grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to ...

I did not sleep well for a long time afterward ... It was amazing to see them. I saw the polar bear breathing. I saw it licking the lens until the lens became blurry. I saw it prod the lens ...

The de-icing properties of polar bear sebum could fuel new innovations, scientists say, potentially unlocking alternatives to harmful “forever chemicals” used in ice-resistant coatings today ...

A polar bear has a moment in the Arctic winter sun ... The thrill of the chase lingered on, leaving us restless and unable to sleep! Eventually, exhaustion caught up with us and we dozed off ...