The polar vortex has shifted from obscure jargon to a phrase that can shut down schools, snarl air travel and strain power ...

What travelers should know as a polar vortex heads towards the United States, including how airlines and hotels are responding, and experts on whether you should cancel your trip.

A swath of cold air, known as an "arctic blast," is on the way and just in time for the holiday season. As reported by NBC News, cold air from the polar vortex above Canada is expected to bring icy ...

A blast of cold air is expected to bring below-normal temperatures to Tennessee around Thanksgiving. The cold air is a result of the polar vortex expanding and pushing arctic air southward. Travelers ...