But what exactly is it and how does it impact our weather? The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children ...

The largest iceberg in the world is floating freely once again after being trapped in a swirling ocean vortex for several months. The iceberg is called A23a and spans roughly 1,500 square miles ...

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. It's bringing extreme cold as far as the Deep South. Overnight lows will be well below ...