In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...

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 ...

With the winter on the horizon and the onset of colder temperatures drawing near, U.S. residents may question just how chilly it could become in the states this season. One factor that plays a role in ...

Thanksgiving is less than a week away which means the fall season is nearing its ends. So that means cold weather is approaching and with it comes the weather pattern known as a polar vortex. But what ...

Prepare for a return of frigid weather in March—and April. Editor at Large You could be forgiven for not noticing that last month was the planet's third warmest February on record. That’s because ...

The Earth's polar vortex is stirring up, bringing the first hints at changing weather as fall descends on the U.S. This movement means gradual cooling and a more active storm track across the northern ...

The polar vortex is so back, and in some parts of the country, the weather system will bring with it up to a foot of snow. If “polar vortex” is giving you déjà vu, that’s because we’ve heard it before ...

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 ...

A highly unusual disruption of the polar vortex is taking shape in the upper atmosphere this November, raising the odds of a more volatile and wintry pattern as the season ramps up. Instead of the ...

The polar vortex can't be felt in the United States or anywhere on Earth. Brutally cold temperatures are heading to the Midwest and Northeast this week -- but don't mistake this for a polar vortex ...