The polar vortex is set to bring a winter storm to parts of Mississippi with ice, snow. But extreme cold will last for days.

Minnesota man recalls fear as ICE hauled him into snow barely clothed Venezuelans sent by the US to harsh Salvadoran ...

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south to just north of ...

Observations of the two solar system gas giants have revealed that Jupiter 's north pole hosts a central polar vortex ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

A storm riding the edge of incoming polar air could bring the D.C. region a meaningful snowfall Sunday, but the exact track ...

Wisconsin is bracing for one of the coldest evenings of the season with wind chills expected to plunge as low as -40 to -50 in some areas.

The polar vortex will push Artic air south, and a severe winter storm could follow. How cold will it get in Louisiana?

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

"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

A polar vortex is settling over the eastern United States, and temperatures are expected to fall into the weekend, bringing ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...