The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

The United States is currently experiencing an intense cold front linked to the so-called Arctic “polar vortex”.  The icy air ...

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend ...