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

It's already a lot to endure frigid winter conditions, but what happens when we get an unwelcome visit from an even colder spell of air like a polar vortex? "A polar vortex is simply that: a vortex ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter ...