Killer whales are expanding their territory and have moved into Arctic waters as climate change melts sea ice, with two genetically distinct populations being identified by Canadian scientists.

Antarctica or the Arctic? Sue Halliwell compares both places as polar travel destinations. They may look alike, but as travel ...

President-elect Donald Trump’s musings about America controlling Greenland have put this Arctic territory under the spotlight ...

Some whales may live to 150. This lifespan is almost double the 70-80 years they are conventionally believed to live.

As BBC News filmed with scientists in the Antarctic Peninsula, one whale used its four-metre-long fin to sweep a net of bubbles around its prey and trap them, known as "bubble-netting".

They lack a dorsal fin, which helps them navigate under the ice. Bowhead whales also boast the longest baleen plates of any whale species, which can grow up to 13 feet (4 meters) and are used to ...

A “rare” humpback whale was recently spotted in the English Channel, photos show ... Humpbacks seen around the U.K. winter in the Arctic reaches of the North Atlantic Ocean and summer off ...