The risks to polar bears on our rapidly warming planet is clear: Ursus maritimus treks across Arctic sea ice, which it uses as a platform to hunt fatty seals, typically ringed seals. But climate ...

Reigning as the largest land predators, polar bears are the true kings of the Arctic. With body lengths reaching up to 3 meters and weights of up to 700 kg, these massive hunters are perfectly ...

There are a lot of similarities and differences between polar bears vs grizzly bears. Here’s a guide to these two bear species.

Scientists collected video from 20 bears during ice-free months to understand whether the animals can survive longer periods on land in a warming world.

From chipmunks to birds, hundreds of species hibernate each year. But what about polar bears? Here's how they spend their winter.

The annual great beluga migration is underway, but the whales are facing increasing dangers as the climate warms and human activity decimates their habitat.

A male polar bear eats a piece of whale meat Aug. 23, 2010, as it walks along the shore of Hudson Bay near Churchill, Manitoba. With Arctic sea ice shrinking from climate change, many polar bears ...

There's about 4,500 polar bears in the three Hudson Bay populations and 55,000 beluga whales. Together, that's more than 141 million pounds of fat large mammals.

What do polar bears eat? Not only are polar bears carnivores – they are the most carnivorous member of the bear family, and the top predator in the Arctic.

Churchill now bills itself as the polar bear capital of the world, and though it has no stoplights, it features upscale restaurants and plenty of independent hotels.

Some thought resting and scavenging could help polar bears survive warming temperatures, but scientists say that may not be the case.

FILE - A male polar bear eats a piece of whale meat as it walks along the shore of Hudson Bay near Churchill, Manitoba, Aug. 23, 2010. With Arctic sea ice shrinking from climate change, many polar ...