No matter the temperature, the challenge of a plunge into icy water for a good cause is enough to get swimmers suited up this winter. Register in advance and don't look back. Those who want to avoid ...

Scientists have discovered the anti-icing secret of polar bear fur -- something that allows one of the planet's most iconic animals to survive and thrive in one of its most punishing climates. That ...

A massive winter storm is about to hit much of the United States, bringing snow, sleet, icy rain, and exceptionally low temperatures. Here’s how to protect yourself, especially if you have a medical ...