The cold weather is here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep arctic air ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

The extreme cold that has gripped much of the eastern United States this winter shows no immediate signs of relenting, as a significant disruption to the Polar Vortex is expected to occur later in ...

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is it?

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.