Polar bears aren't white, strawberries aren't berries and the Earth isn't round—we'll have you rethinking everything you thought you knew! Mind-blowing facts you have to read to believe Did you know ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

They’re some of the coldest, windiest places in the world, but life has evolved to thrive in these icy environments. Icebergs off the coast of Antarctica can create striking natural sculptures. The ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

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