Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Plants & Animals
Jul 7, 2011
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An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of the last ice age ...
Plants & Animals
Jul 7, 2011
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Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.
Plants & Animals
Nov 24, 2010
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A team of Spanish scientists followed the brown bear population through the mountains of the Cantabrian Cordillera between 1998 and 2007 in order to find out about their hibernation habits, which had been questioned in historical ...
Ecology
Oct 6, 2010
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A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous with the devastation ...
Plants & Animals
Mar 1, 2010
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The population of brown bears (Ursus arctos) in France is now so small that the species might become extinct in the near future. However, there is new hope in the form of new research published October 28 in the open-access, ...
Plants & Animals
Oct 27, 2009
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The discovery of brown (grizzly) bears feeding on migrating broad whitefish in a stream in Mackenzie Delta region of the Northwest Territories has researchers advising increased care in petroleum extraction and infrastructure ...
Ecology
Sep 22, 2009
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