A photographer's iconic shots of polar bears in abandoned buildings on a Russian island shines a spotlight on wider changes ...

It then states estimates in 2005 were 20,000 to 25,000 and then grew to between 22,000 and 31,000 in 2015. However, the claim that polar bear numbers have increased since the 1950s rests on thin ice, ...

Having abandoned the island in 1992, the human population of this extremely remote island was soon replaced by a pack of ...

For a variety of reasons bears are waking up mid-hibernation in Alaska. Is this a temporary phenomenon or a portent of ...

Polar bears are uniquely adapted to survive in one of the harshest environments on Earth. These majestic animals are ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson Bay. The clock is set to 89 seconds to "midnight" as scientists and ...

Pregnant polar bear females usually enter the den in late autumn and remain there throughout the winter. They don't eat ...

Ursus maritimus, a species of polar bear in the South Beaufort Sea, has recently been of particular interest to marine ...

UNLV professor Ben Leffel and former Steve Sisolak adviser Kristen Averyt discussed climate change and slashing greenhouse ...