Scientists are piecing together when polar bears (Ursus maritimus) may have evolved some of the genes that separate them from brown bears (Ursus arctos). New genomic analysis reveals that they may ...

A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are ...

The Antarctic ozone hole usually starts forming in early August, but rare warming events and a strangely elongated polar vortex this year may have delayed its arrival. Sudden and rare warming ...

A rare polar bear that was spotted outside a cottage in a remote village in Iceland was shot by police after being considered a threat, authorities said Friday. The bear was killed Thursday ...

But have you ever wondered what plants and animals live in a polar habitatand how they survive in the cold? Well, wrap up warm, we're off to the Arctic Circle to find out! Brrr… It looks really ...

Polar bears will be wiped out by the end of the century unless more is done to tackle climate change, a study predicts. Scientists say some populations have already reached their survival limits ...

At the start of this century, the polar bear was the emblem of climate apocalypse. Protesters dressed as polar bears, while Al Gore’s hit 2006 film “An Inconvenient Truth” showed us a sad ...

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...

Something big is happening to Earth’s climate, and the polar regions hold the key to understanding it. Join top scientists on the hunt for clues that tell a surprising story about our planet’s ...

A rare polar bear that was spotted outside a cottage in a remote village in Iceland was shot by police after being considered a threat, authorities said Friday. The bear was killed Thursday ...

A polar bear has killed a man in Norway's Arctic Spitsbergen island, local officials say. The attack occurred at a campsite near Longyearbyen, the main town of the island in the Svalbard archipelago.