The bitter cold temperatures that have left a chill over the eastern half of the country aren't going anywhere, as a major disruption to the Polar Vortex is coming this month.

A storm riding the edge of incoming polar air could bring the D.C. region a meaningful snowfall Sunday, but the exact track ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

After this weekend's snow storm moves out, cold Arctic air will move in.

Add Yahoo as a preferred source to see more of our stories on Google. Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across ...

The greater Philadelphia region will experience no weekend letup in the prolonged cold snap gripping the area.

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

The National Pest Management Association warns that the polar vortex is pushing pests into homes. Its entomologists offer ...