Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

The west half of the country, including the Midwest, will start to warm up. But that won't be the case for the East Coast.

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...

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

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

This striking satellite photo shows rippling ribbons of ethereal ice swirling like turbulent clouds on the surface of Lake Michigan, alongside a snow-covered Chicago. The wintery scene occurred during ...