The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there all ...

As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...

I also want to thank my furnace and HVAC guy too, as we flirt with another polar vortex the first half of next week — nearly as cold as it was in mid-January. Temperatures may stay below zero from ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning ...