Strange things are happening in the sky above the Arctic — and they’re freezing the U.S. in unexpected ways. A new study ...

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

Because of an unstable polar vortex, experts have projected record low levels of Arctic sea ice for the coming winter.

According to polar explorer Roald Amundsen, born on this date in 1872, “Adventure is just bad planning.” STOP AND SHOP – The Kenmore Mercy Hospital Auxiliary brings two of its previously featured ...

World's oldest head of state, Cameroon's Biya, 92, stands for re-election ...

The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes ...

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

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

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 ...

In recent weeks Europe sweltered under intense heatwaves, while southern South America had record low temperatures. How far is global warming driving these events?