Learn why polar bears have white fur and other cool facts, plus WWF’s efforts to protect them and their Arctic habitat from ...

Bears are a type of mammal that can be found in many parts of the world. From the tiny, silly-looking sun bear to the iconic polar bear, these animals are specially adapted to different environments, ...

REUTERS - Imperiled polar bears will see a population crash in most parts of the Arctic Ocean if global greenhouse gas emissions continue at current rates, causing accelerated melting of the sea ice ...

A new study finds a link between chemicals and bone loss that could damage males' penises, potentially harming reproduction.