Because the polar bear has translucent fur, the fur catches the sunlight and reflects it. While this may not seem like a particularly effective camouflage technique, it actually is.

As sea ice melts, species such as beluga whales and polar bears bear the brunt, losing access to food and their habitats. Image courtesy of Kieran Mclver.

Polar bear fur isn't really white -- it's transparent and covers up black skin. Here's why they look white when you see these majestic bears.

It's a pretty risky business trying to take a blood sample from a polar bear—one of the most dangerous predators on the planet—on an Arctic ice floe.

About 50 swimmers jumped into Vanryn Dam on a cold Saturday morning to take part in the WannaDo Events Polar Swim Challenge in Benoni.

In the freezing heart of Kazan, I took the plunge with the Russian Walrus club. This cold-water tradition is part of a unique culture that blends strength, discipline, and community.

The polar vortex’s wandering behavior reshapes where winter hits hardest, demanding new approaches to preparation that match atmospheric realities. As these patterns continue evolving, Americans from ...

An orphaned bear cub defied odds surviving winter alone in upstate NY. Found malnourished, he’s recovering at a wildlife center with special care.

Local Trending News Turns out the groundhog was right: Winter refuses to loosen its icy grip. Which is fine with skiers and snowboarders at Bear Mountain Creek Resort in Longswamp Township.

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will stay ...

This will be the 10th time this winter that the polar vortex — which keeps the coldest of Arctic air penned in at the top of the world — stretches like a rubber band to send some of that big ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn.