She is an expert on the evolution of the polar bear, having co-led an international effort to sequence the genomes of the polar bear and brown bear. That study, published in 2012, suggested that polar ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

Why does the Arctic have polar bears and Antarctica penguins? These patterns impressed Darwin deeply. To him, they argued that species arose in single centers by descent with modification from ...

In 1927, a bear skull was ... change shaped their evolution. The research team plans to conduct further DNA analysis to confirm whether these fossils belong to true polar bears or a transitional ...

Squalene strongly adheres to ice, meaning its near absence in polar bear fur significantly enhances the fur’s ability to shed ice effortlessly. It’s fascinating to see how evolution has ...

Editor's Note: National Geographic went too far in drawing a definitive connection between climate change and a particular starving polar bear in the opening caption of our December 2017 video ...

LIGHT-FURRED BEAR: Rarr! GRANDDAD: And after a long, long, long time, more and more bears were born that were white and they could all catch seals more easily. POLAR BEAR 1: Hic! Delicious!

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...

That's because polar bear fur is transparent and hollow.When light strikes the outer fur some of it is absorbed while the rest is scattered away. The result? The fur can appear as different colors ...

Blending seamlessly into its frosty winter surroundings, the camouflaged Arctic fox makes its rounds in search of lemmings or a fresh carcass left behind by a polar bear. Crafty ... face challenges ...

I’d put my money on the lion. It’s a strong, ferocious beast, and a polar bear pales in comparison – literally. Not only does the lion have an entire posse to back it up, it is also the king ...

Walter Bolger had to hit the brakes for an unusual roadblock in southern Labrador this week. The 62-year-old seal harvester was driving with his wife in West Saint Modeste, N.L., on Thursday when a ...