A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

Year-round, severe, artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

A polar vortex brings frigid temperatures and a light chance of snow Friday. High winds could become dangerous combined with ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

Dr. Amy Butler with the National Oceanic and Atmospheric Administration says the early polar vortex disruption is unusual and ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

Melting polar ice is unleashing stronger, faster currents, reshaping heat flow, nutrient pathways, and microplastic movement ...