The polar bears pass through Churchill, Manitoba, hoping to catch a ride out of the tiny town on Hudson Bay's sea ice. After a summer of fasting on land, the bears need to get back to their frozen ...

Patience: A polar bear still-hunting on the sea ice of Hudson Bay, Manitoba, Canada. (Courtesy: Jenny E Ross) In the teeth of the Arctic winter, polar-bear fur always remains free of ice – but how?

Can you explain what happens to the body and organ systems during a polar plunge or ice bath? The cold water plunge causes a sudden and significant increase in heart rate, breathing and blood ...

Luckily, with the natural oil their body secretes, the polar bears are not only able to withstand freezing, but they are also able to slide quietly over the ice so that they can stalk seals ...

Polar Vortex Makes Much of US Colder Than Greenland ... At 34 degrees Fahrenheit (1 degree Celsius), Nuuk, the capital of Greenland — a giant ice-covered northern island that President Donald ...