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

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

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

The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the north pole. Imagine it as a giant, icy whirlpool far above the Earth, keeping frigid ...

This swirl of frigid air, located more than 10 miles above Earth ... vortex is left alone, nothing’s bothering it, it’s a nice fast, quiet rotation—[and] the cold air is close to the center ...

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