Last Updated: Friday, March 15, 2013, 12:24
Brown bears on an Alaskan archipelago are the descendants of an ancient polar bear population rather than being the ancestors of modern polar bears, a new study has found.
Last Updated: Sunday, December 9, 2012, 11:33
For a millennium, the majestic, lily-white polar bear has lorded over the frozen wastes of the Arctic.
Last Updated: Saturday, September 29, 2012, 09:47
Polar bears could soon disappear from parts of the Arctic due to global warming, a climate-change expert has warned.
Last Updated: Wednesday, April 11, 2012, 09:26
Polar bears in Alaska have been seen with missing patches of fur, and reports say it may be due to a "mystery illness" related to the nuclear accident at the Fukushima power plant in Japan.
Last Updated: Tuesday, November 15, 2011, 12:51
WWF Russia estimates that about 500 polar bears will get "foster parents" by the end of 2012.
Last Updated: Friday, July 8, 2011, 16:24
The overlaps then led to hybridisation, or interbreeding, which is an event that caused maternal DNA from brown bears to be introduced into polar bears.
Last Updated: Thursday, December 23, 2010, 15:45
The Obama administration has confirmed that polar bears are threatened rather than endangered.
Last Updated: Wednesday, November 24, 2010, 18:14
A new study suggests large predators are much more vulnerable than smaller species to environmental changes.
Last Updated: Sunday, March 14, 2010, 00:39
A contentious battle between Asia and the West over the fate of the Atlantic bluefin tuna prized by sushi lovers overshadowed a United Nations conference that opened Saturday in the Gulf state of Qatar.
Last Updated: Saturday, October 31, 2009, 11:55
Canada and Greenland agreed on a series of measures aimed at protecting shared populations of polar bears which roam between the Nunavut territory and the huge arctic island, officials said.
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