There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

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

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

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...