It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

"polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North ...

A polar vortex collapse could bring extreme cold and travel disruptions to North America and Europe in mid-March. Newsweek's live blog is closed.

See, for example, the below-zero wind chills Dallas endured Wednesday morning, or when New Orleans was buried under a record-breaking 8 inches of snow in January. The polar vortex has been ...

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions ... This winter, with record snow in New Orleans and ...

he term “polar vortex ... polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the U.S. and Europe. With record snow in New Orleans last ...