Winter is here, and it's colder than ever! 🥶 Stay cozy and safe with these essential tips for battling the polar vortex. Don ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

A satellite image shows the entry of a large area of low pressure, from the Polar Vortex, into the Northern U.S., on Jan. 6, 2014. (Bloomberg) -- High in the atmosphere above the North Pole ...