The polar vortex, as it sounds, is circulation of strong, upper-level winds that normally surround the northern pole in a counterclockwise direction -- a polar low-pressure system.

A bizarre, hexagon-shaped vortex has formed above Saturn's north pole as the planet's northern hemisphere enters summer, data from the international Cassini-Huygens mission revealed. The unusual ...

Rising temperatures in the North Pole are causing parts of the polar vortex to split off and move southward, leading to the possibility of a particularly harsh winter in the U.S., Europe and Asia.&… ...

You can unsubscribe at any time. More info Temperatures are set to plummet because of a rare North Pole phenomenon called a ‘polar vortex’.

The rush of cold air it’s sending southward is the biggest visitor from the North Pole since Santa Claus. The gifts it brings, however, are chilling and generally unwelcome.

Temperatures are set to plummet because of a rare North Pole phenomenon called a ‘polar vortex’. These chilly temperatures could last for weeks and bring snow, ice and travel chaos as Britain ...