One might think that the polar bear would be an ideal candidate for hibernation because it has to endure such long and harsh ...

Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries.

Many species around the world are affected by climate change, but the polar bear is perhaps the most visible representation of change. A polar bear stranded on a melting iceberg has become a symbol of ...

For polar bears, the climate change diet is a losing proposition, a new study suggests. With Arctic sea ice shrinking from climate change, many polar bears have to shift their diets to land during ...