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

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, ...

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 ...