It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

Satellites orbiting the Earth have captured the effects of a "polar vortex" on camera, as swathes of the U.S. are gripped by Arctic conditions. One image taken by the National Environmental ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

A polar vortex is a ‘large area of low pressure and cold air surrounding both of the Earth’s poles’ that ‘ALWAYS exists near ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

Let’s break it down! First off, picture a massive spinning blob of cold air hovering way up in the atmosphere over the North Pole. That blob is called the polar vortex. Think of it as a giant ...