In Churchill, Canada, polar bears gather by the hundreds in the fall, waiting for the nearby bay to freeze. The human ...

Emperor penguins march along the ice on Cape Washington on Antarctica's Ross Sea. Contrary to popular belief, these ...

In subzero winds, hypothermia announces itself in small, easy-to-miss ways. Here’s what one Nat Geo Explorer does to combat it in some of the coldest places on Earth.

We had just finished listening to a lecture about scientific research being conducted on the Greenland Ice Sheet when an excited voice came over the public address system of the National Geographic ...

When it comes to Arctic apex predators, the polar bear is the first animal that typically comes to mind. It’s a top predator, feasting on seals and occasionally other sea mammals. Its hunting skills ...