The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

Vortex, a competitive cheer team from the Northstate, takes home three first-place trophies after competing in "The Quest" at ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

The polar vortex is a mass of cold air swirling high above the Arctic. Scientists closely monitor atmospheric shifts that ...

A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow to North America, according to The Guardian. It could be the final vortex collapse of the season.