Dr. Doug Clark (Ph.D.) has crawled into many polar bear dens as a graduate student and in a former job as a park warden. So many, in fact, that when Clark and his group of researchers identified a ...

The federal government shouldn’t allow exploring or drilling for oil on the coastal plain of the Arctic National Wildlife ...

The bear is barely visible once it snuggles into the den. “It’s Bedtime For Yellowstone’s Bears,” a caption on the video reads. “Bears aren’t true hibernators, in the most technical ...