The jawbone of a polar bear that lived on the archipelago of Svalbard 115,000 to 130,000 years ago. Karsten Sund, Natural History Museum (NHM), University of Oslo ...

BUFFALO, N.Y. -- An analysis of newly sequenced polar bear genomes is providing important clues about the species' evolution, suggesting that climate change and genetic exchange with brown bears ...

Polar bears have become a poster child for the impacts of climate change on wildlife. ... For polar bears, the price of rapid evolution is a weaker skull. By Ed Yong. November 8, 2010 ...

UNIVERSITY PARK, Pa., July 23 (UPI) -- Polar bear evolution over millions of years has been influenced by climate change and interbreeding with brown bears, a DNA study by U.S. researchers found.

Known as the deadliest beasts of the Arctic, these incredible creatures are apex predators that rule the frozen wilderness. Why watch this video? Discover why the polar bear, with its immense size and ...

On Wednesday, researchers at the Institute of Ecology and Evolution of the Russian Academy of Sciences presented findings at a conference in St. Petersburg that showed a spike in polar bears ...

The skull of an ancient polar bear, nicknamed Bruno, was found on the coast of the Beaufort Sea in 2009. ... [Related: What an ancient jawbone reveals about polar bear evolution.] ...

H5N1 bird flu strain spreading to other mammals across U.S. 03:19 Rampant avian flu that has impacted millions of poultry birds and thousands of wild birds in the U.S. alone has now killed a polar ...