A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., ...

Polar vortex brings subfreezing temperatures, snow to southern U.S., causing power outages and travel disruptions.

South Florida faces an Arctic blast and polar vortex. Will this cold snap lead to an ultimate measure of cold weather here?

Some experts say the frigid air that normally stays trapped in the Arctic escaping is happening more frequently because of a ...

The immense storm system brought disruption to areas of the country that usually escape winter's wrath, downing trees in some Southern states and threatening a freeze in Florida.

In our news wrap Tuesday, residents are fleeing the hills of Los Angeles after the Palisades Fire exploded in size to more than 700 acres, a so-called polar vortex is bringing freezing temperatures as ...

Trump won't rule out military use in Greenland, Panama Canal; Jimmy Carter's casket arrives at the US Capitol; Large blaze in Los Angeles prompts evacuations; Polar vortex brings bitter cold to the ...

A New York appellate court on Tuesday denied President-elect Donald Trump's bid to halt sentencing set for Friday for his conviction on criminal charges stemming from hush money paid to a porn ...