Polar bears have a built-in defense against ice — greasy fur. A team of scientists has discovered that their fur is coated in ...

Polar bear fur resists ice because of a natural greasy coating called sebum. This helps them move quietly while hunting.

A relatively small amount of groundwater trickling through Alaska's tundra is releasing huge quantities of carbon into the ...

University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.

Surface melting for the Antarctic ice sheet appears to have set a record for the 46-year satellite observation period on January 2, 2025. All areas of the Antarctic coast that generally see ...

Rising Sea Levels When you think about the ice melting in Greenland and Antarctica, you're really looking at the biggest ...

Our writer spent 30 hours traveling with arctic wolves and gained a new appreciation for these predators of the tundra. Wolves pick at the remains of a muskox. To get this image, photographer ...