Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Most polar bears live in the Arctic. More specifically ... on the carcasses of bigger animals like whales, walruses, and narwhals, when they find them. On an average day, a polar bear can eat ...

There is some evidence of a hybrid between belugas and narwhals.” Pizzlies—crosses of grizzlies and polar bears—already roam the Arctic ... Bowheads can live 200 years or more.

So they’re at particular risk from global warming, which is melting the Arctic sea ice they depend on. Polar bears generally live and hunt alone, though they can be quite social too. They mainly eat ...

So they’re at particular risk from global warming, which is melting the Arctic sea ice they depend on. Polar bears generally live and hunt alone, though they can be quite social too. They mainly eat ...

But have you ever wondered what plants and animals live in a polar habitatand ... that only lives in the Arctic, but I think it's hiding… There it is! A polar bear! Its thick fur helps it ...

Polar bears, walruses, and narwhal and beluga whales in Greenland are under ... The beluga whale (Delphinapterus leucas) roams the coastal waters of the Arctic, usually in groups of five to ten. They ...

As the Arctic warms, polar bears face a growing risk of contracting viruses, bacteria and parasites that they were less likely to encounter just 30 years ago, research has revealed. In a study ...

Polar bear attacks are rare, but they are a risk for people who live and work in isolated Arctic environments. Earlier this year, a Canadian worker was killed by two polar bears near a remote ...

Most polar bears live within the Arctic Circle, so how do they keep warm in extremely low temperatures? Polar bears (Ursus maritimus) are well known for their white fur, which makes them almost ...

The Arctic and ... The coat of a polar bear is particularly suitable for temperatures that can drop below -22 degrees Fahrenheit (minus 30 degrees Celsius). They live on ice for most of their ...