The tooth of a very old polar bear has revealed new insight into the mixed history of polar bears and brown bears. Researchers used DNA from a tooth embedded in a 130,000-year-old polar bear jaw to ...

A hybrid grolar bear saga is unfolding in the Arctic, and the tale of this strange family has much to tell us about nature on ...

When polar bears and grizzly bears mate, the hybrid is called a pizzly bear, or a grolar bear. Pizzlies are becoming more common in the Arctic and the climate crisis is likely playing a role. As ...

(NEXSTAR) – A new breed of hybrid polar and grizzly bear has been seen stalking the arctic, and experts say the new species arose due to the effects of climate change. So-called “pizzly” bears were ...

The bear scientists shot in the Canadian arctic in 2016 was a biological mystery. It looked like a grizzly bear, complete with long claws and a prominent snout, but most of its fur was white. Call it ...