Polar bears have a thick layer of fat below two layers of fur that help trap their internal body heat. According to Polar Bears International, these layers keep them so warm that adult males can ...

Quick Take Polar bears are showing rapid DNA changes in response to warming climates, a rare adaptation that may help survival but does not guarantee it. New DNA may broaden the polar bear’s diet to ...

A genetic analysis of polar bears in southeast Greenland found that genes related to heat-stress, aging, and metabolism are ...

More than 300 ostriches have been threatened with destruction in eastern British Columbia after avian flu was detected in the flock. The birds' owners have argued this is a case of "unjust ...

Polar bears, the iconic creatures of the Arctic, have a role that extends beyond their status as apex predators. They are vital contributors to the Arctic ecosystem, providing millions of kilograms of ...

Bird flu could be another blow for polar bear populations that are already at risk from climate change. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The world’s latest record-high temperatures are increasingly putting Antarctica’s role in regulating global climate and ocean currents at risk. But so far, most signs indicate that the continent has ...

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 ...

Single-celled organisms have managed to make a home almost everywhere, including inside many animals' guts and in nearly all of the world's environments, from hot, geothermal vents to the cold ...

The effects of the warming of the Earth’s climate on Antarctic lakes and seas is a matter of life or death for many plants and animals at the frozen continent. Professor Lloyd Peck, biologist with ...