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

The polar vortex is essentially a large area of low pressure and cold air surrounding both of Earth’s poles. It constantly sits over the poles but expands in the winter.

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...