Scientists combined satellite collars and cameras to study polar bear denning, showing how cubs adapt before leaving.

Understanding cubs’ activity when leaving their lairs could aid in supporting the polar bear’s survival.

Just on the edge of the western Hudson Bay lies the small town of Churchill, Manitoba. Here, the sea meets the boreal forest ...

"The Arctic is one of the fastest warming regions in the planet," said Flavio Lehner, chief climate scientist for Polar Bears International and assistant professor at Cornell University ...

One of the most popular cold-weather animals is the polar bear. They are the largest bears in the world ... The clip below is from the Our Planet special on Netflix featuring David Attenborough. It’s ...

A polar bear fetching a stick and other jaw-dropping moments from this year's World Nature Photography Awards.

The time lapse footage is the result of almost a decade of work monitoring the vulnerable predators' maternal behavior.

The polar bears pass through Churchill ... "If the sea ice disappears, the Arctic will warm faster and the planet will warm faster," Lehner said. That ice can be thought of like the Earth's air ...