Topic: Polar Bears

Polar bears emerged far earlier than thought, DNA study indicates (+video)

Polar bears were previously thought to have split from brown bears some 150,000 years ago. But a study of the bears' mitochondrial DNA indicates that they became a distinct species about 600,000 years ago. 

Knut the celebrity polar bear drowned say experts

Knut, the polar bear, died in front of hundreds at the Berlin Zoo two weeks ago, but the cause of his death was unknown. Experts now say he drowned after falling into a pool.

Polar bear Knut died suddenly over the weekend

The 4-year-old polar bear had brought happiness to many visitors and even landed on the front cover of Vanity Fair magazine in 2007.

Conference rejects protection for polar bears

Protection for polar bears – including a ban on trade in their fur and parts – was rejected at a conference of the Convention on International Trade of Endangered Species (CITES).

Bad news for polar bears: US proposal to protect polar bears rejected

US proposal to ban international trade of polar bear skins, teeth, and claws were rejected Thursday.

Polar bears spotted swimming in open seas

Government scientists patrolling the skies off Alaska's northwest coast say they observed nine polar bears swimming in open water, prompting some environmentalists to raise concerns about the species' survival in a warming world.

US lists polar bears as threatened

Wednesday’s designation is the first to list a species due to global warming threats.

Flocking to Flocke

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Do polar bears need U.S. protection?

A federal agency is poised to say whether global warming means the bear should be added to the 'threatened species' list.