A map of the polar vortex that is bringing frigid temperatures to parts of the U.S. (AccuWeather) The first of three rounds of cold Arctic air from a shifting polar vortex has sent temperatures ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

Vortex is one of the best binoculars manufacturers and there are some great savings to be had on their top-of-the-range binoculars this month. Vortex are not budget binoculars so grabbing a nifty ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...

A polar vortex is on its way for much of Canada next week. And while it’s not the first time Canadians have faced down the chill of a polar vortex in recent years, this one is set to cause ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could mean for Canadians A rare, early, stratospheric warming event could shake up ...

High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...