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 ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar ...

A week-long, polar vortex-related Arctic outbreak rivaling any seen so far this winter is slated to bring frigid conditions ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...