Between snowy winters and holiday songs, many animals come to mind during Christmas. There are polar bears wearing Santa hats and red-nosed reindeer pulling Santa’s sleigh. Turtle doves and the ...

• For those arriving to this page after 12pm on April 1st 2017, this story was an April Fool, as we explain here ...

The Arctic ice cap is melting faster than scientists had expected and will shrink 40% by 2050 in most regions, with grim consequences for polar bears, walruses and other marine animals, according ...

The polar bear is doomed because the melting of the Arctic ice cap is not reversible. Within 50 years, it will be gone. And if it's gone, there is no place for polar bears to live.

Polar bears are known to dive for food, said Stirling and van Meurs, who noted in their report that these animals typically stay submerged for anywhere between 3 and 30 seconds when diving.

This story was updated at 2 p.m. ET. Polar bears are known to be excellent swimmers, but new research suggests that they are also superb divers. Scientists recently observed a polar bear dive that ...