The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

This will spell dangerously cold temperatures — as ... develops in the polar regions during winter, got much attention. Although the term polar vortex may seem relatively new, it isn’t.

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

The polar vortex could bring life-threatening ... it weakens in summer and strengthens in winter, often expanding and sending cold air southward. This is what's going to happen this weekend ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

The University of Wisconsin-Madison faced a frigid start to the semester, with the polar vortex expected to bring more icy ...

During the winter, in the northern hemisphere, the polar vortex will expand and send cold air southward, according to the U.S. National Weather Service. This often occurs during winter and is ...