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

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

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...

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

JERUSALEM, July 11 (Xinhua) -- 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 ...