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

when the family emerges to slowly make its way to the sea ice. Newborn polar bears are hairless and weigh just 1 pound (0.5 ...

Polar bear cubs have ... survival as they have less time to develop before venturing further afield to the sea ice. The team also observed that, in some cases, bears emerged from the den for ...

There’s a bear and two cubs on the ice ... or not to take a photo involved a precise calculation that weighed the likely quality of the picture against the time it would take to remove ...

After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

but I do know that polar bears rely on a platform of sea ice from which to hunt. A fast-warming Arctic means that sea ice is disappearing for increasingly longer periods of time each year.

They found high levels of certain compounds that are especially resistant to freezing, specifically because ice has a harder time sticking to them. Polar bear fur also lacked a compound called ...

They found high levels of certain compounds that are especially resistant to freezing, specifically because ice has a harder time sticking to them. Polar bear fur also lacked a compound called ...

They found high levels of certain compounds that are especially resistant to freezing, specifically because ice has a harder time sticking to them. Polar bear fur also lacked a compound called ...