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

The condition of the polar vortex influences everyday weather around the globe. Scientist issue warning about concerning ...

Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

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

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

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

An international research group has found that extreme cold snaps in the United States are driven by disruptions in a high-altitude Arctic air mass called the polar vortex, Hebrew University of ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S.—and this study explains why. Researchers found that two specific ...