The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

This blast of cold weather is due to activity of the polar vortex.

"There are many things that can change the strength of the polar vortex," Butler says. Sea ice is one of them – some models suggest melting sea ice may have a weakening effect on the vortex.

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

when snow falling on warm roads has the potential to melt and then harden into an icy crust. RELATED: Everything you need to know about the polar vortex bringing extreme cold to Colorado “We ...

Arctic warming blamed for brutal cold wave gripping Korea South Korea has been experiencing an intense cold wave this week, ...

Scientists demonstrate controlled oscillations of quantum vortex core lines in superfluid helium, visualizing helical waves on quantum vortices.

The world's largest iceberg looks set to collide with a group of remote islands in the southern Atlantic, risking the safety of wildlife in a region renowned for rich biodiversity that surpasses even ...