Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope to answer many remaining questions. Miles above the Earth, two bands of ...

Temperatures have plunged to -30C (-22F) and below in parts of North America as extreme cold weather known as a polar vortex strikes ... seen blanketed in snow All images subject to copyright ...

Satellites orbiting the Earth have captured the effects of a "polar vortex" on camera, as swathes of the U.S. are gripped by Arctic conditions. One image taken by the National Environmental ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works ...

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

some of the vortex can break off or move south, bringing unusually cold weather into the U.S., Europe and Asia. The images below show how the influence of climate change from as far away as the ...