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.

Biogeography: Polar Bears and Penguins: Darwin, Wallace and the other 19th century naturalists who traveled widely were fascinated by the distribution of animals and plants in their habitats ...

Despite earlier studies suggesting polar and brown bears diverged 150,000 years ago, ... Human Evolution Ancient DNA from Papua New Guinea reveals centuries of genetic isolation.

Polar Bear Evolution Was Fast and Fatty. A large international collaboration between Danish, Chinese, and American researchers collected blood and tissue samples from 79 Greenlandic polar bears ...

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 ...