Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns ...

The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes ...

Cold air breezes over North America as a result of two new patterns identified in the stratospheric polar vortex, countering ...

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

The polar vortex that slammed Texas and other nearby states with unprecedented winter weather in February is the costliest winter event to ever occur in the U.S.