Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a weaker polar vortex can lead to more dynamic winter weather patterns for the U.S ...

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

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a ...

The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes that could signal a shift in Earth's climate. This high-altitude, rotating ...

If you live in the northern United States or Canada, you’ve probably come to dread the phrase “polar vortex” when it’s ...

One new study identifies a 17% increase in the destructive potential of the strongest nor’easters, while another bolsters ...

Strange things are happening in the sky above the Arctic — and they’re freezing the U.S. in unexpected ways. A new study reveals how shifting polar vortex patterns explain why parts of the country ...

Despite being a cold-weather state, extreme heat is also a growing issue. A heat index of 95 and above has become more ...

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 patterns in the polar vortex, a swirling mass of cold ...