Challenges like the polar bear brain teaser can help sharpen both your vision and observational skills. If you can spot the money in this optical illusion in less than 52 seconds, you're a genius ...

If a polar bear has this kind of injury in springtime, it can be "really quite catastrophic" to their chances of survival, he said. "In the springtime, that's when you've got to be fattening up.

The layered structure of polar ice acts as a natural archive of Earth’s climate history, allowing scientists to reconstruct past temperatures. And the polar regions host extraordinary forms of life.

Polar bears walk across sea ice for miles, searching for cracks and holes in the surface through which they can hunt their ringed seal prey. But a new study has found that, in some areas, the ice ...

A new optical illusion featuring a polar bear in a snowy landscape has been making the rounds online, with only 1% of people ...

The polar bears pass through Churchill, Manitoba, hoping to catch a ride out of the tiny town on Hudson Bay's sea ice. After a summer of fasting on land, the bears need to get back to their frozen ...

After pinpointing the hair grease as the key component for keeping ice off of polar bear fur, they performed a detailed chemical analysis of the sebum. They first identified the key components ...

This handout photo shows a polar bear that was shot by the police after being considered a threat to people nearby, authorities said, in Westfjords, Iceland, Thursday Sept. 19, 2024. Ingvar ...

Washing polar bear fur removed its ice resistance, suggesting that the oily coating on the hairs is the key to its properties. This substance, known as sebum, is secreted by glands connected to ...

Polar bears are the world's largest land carnivore, but attacks on humans are extremely uncommon – only 73 were recorded between 1870 and 2014, in Canada, Greenland, Norway, Russia and the US.

This photo shows the rear paws of a polar bear temporarily sedated for research in East Greenland in 2022. The bear has large chunks of ice frozen onto its feet, which the researchers removed.

A rare polar bear that was spotted outside a cottage in a remote village in Iceland was shot by police after being considered a threat, authorities said Friday. CNN values your feedback 1.