Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...

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

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

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.

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 ...

The winter weather is beginning to wreck havoc for residents in the Northeast as freezing temperatures begin to freeze ...

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle ...

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

The winter weather is beginning to wreak havoc for residents in the Northeast as frigid temperatures freeze Pittsburgh's ...