As the polar vortex intensifies, it’s set to have a significant impact on Earth’s climate. Learn how this atmospheric ...

A detailed analysis of polar vortex collapse mechanisms and how they relate to occasional North American cold outbreaks. Based on recent meteorological studies and stratospheric data, the video ...

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

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

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

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 ...

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

The polar regions are cold, remote and off-putting, but there are thousands of polar words in English – and not just words for snow and ice.

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

More: Powerful polar vortex in the stratosphere brings frigid temperatures to US Polar vortex to blame? Experts say the polar vortex will play a role in next week's cold snap.