As climate change destroys their hunting grounds, some bears eat garbage to survive.
Polar bears live in the Arctic and hunt seals from atop the sea ice. Polar bears are are now listed as a threatened species under the United States' Endangered Species Act as polar bear populations declined. Stay updated on polar bears with comprehensive articles, interactive features and polar bear pictures at LiveScience.com.
Hundreds of hungry polar bears were treated to a whale of a buffet last week when the carnivores descended on a whale carcass on the coast of Russia's Wrangel Island.
A polar bear at the San Diego Zoo named Tatqiq recently went the extra mile to help scientific research.
The Trump administration and Republicans have introduced at least 11 pieces of legislation that could weaken the Endangered Species Act or prevent some threatened wildlife from being protected.
How is rapid warming in the Arctic affecting animals that are adapted to cold? A wildlife biologist is using many techniques to find out, including stalking muskoxen in a polar bear costume.
Reindeer, mountain lions, deer and polar bears may all be feeling the pinch as the planet warms, new research suggests.
Five meteorologists surrounded by polar bears at a research station on a remote island in high-Arctic Russia have been rescued
A dramatic photograph of a starving polar bear went viral online, but scientists say it's a stretch to definitively link polar-bear starvation to climate change.
Knut the polar bear, the global sensation that captured the public imagination, died of an autoimmune disorder that caused his immune system to attack his brain.
Polar bears are known to be excellent swimmers, but new research suggests that they are also superb divers.
An occasional dolphin kill won't be enough to sustain polar bears as global climate continues to warm.
For the first time, scientists have reported polar bears preying on white-beaked dolphins in Svalbard. Check out these stunning photos of the bears and their dolphin meals on an icy island.
Even though some polar bears are hunting on land more often in areas hit by shrinking Arctic sea ice, a diet of bird eggs and berries can't sustain these huge animals, a new study finds.
Bears are omnivorous mammals found all over the world. There are eight species, and most of them are endangered.
Satellites could be a promising tool for tracking Arctic wildlife on the ground, a new study suggests.
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