As the world's largest bear, and largest land carnivore, polar bears are impressive mammals and are adapted to living in the ...

Warming temperatures appear to be driving genetic mutations in some polar bears to help them survive the shifting climatic ...

Researchers say some populations are activating “jumping genes” to survive rising temperatures. It’s both hopeful and ...

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 ...

It’s not just penguins that inhabit the Antarctic. There are many creatures that call those chilled waters home. AG designer Mike Rossi set sail on the AG Society expedition to Antarctica and finds it ...

A photographer captured a beautiful moment in Svalbard's Arctic waters, but climate change threatens to change that.

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 ...

Antarctic bivalves have surprised scientists who have discovered that the animals switch sex. The reproduction of Lissarca miliaris was studied in the 1970s and the species was first described in 1845 ...

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 ...

Polar bears appear to be rewriting parts of their DNA in response to a warming Arctic, according to new research that scientists describe as both alarming and cautiously hopeful. A study from ...