As cold weather grips much of the country, we're hearing a lot about the "wind chill factor." The measurement comes from Canadian Antarctic explorers Paul Siple and Charles Passel, who in 1945 worked ...

A historic winter storm has led to thousands of canceled flights and resulted in more than 240 million people in the U.S. under some form of winter weather advisory ahead of the holiday weekend, as a ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Despite a high temperature of 39 degrees Wednesday, the Chicago area Thursday started out frigid, with temperatures in the low teens in most parts -- and wind chills made the air feel even colder. As ...

Last week, bitterly cold air associated with a Polar Vortex intrusion dominated headlines and social media. Everyone was talking about it and rightfully so given the dangerously wind chill ...

We've heard a lot about the wind chill factor. How exactly do the weather people come up with it? By now, you've probably been inundated with the news about the soon-to-arrive winter storm. Freezing ...