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

The United States could be headed for some extreme weather this winter. That’s the early prediction from Severe Weather Europe, a website that tracks weather patterns around the globe. Three factors ...

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is maintaining its frigid grip.

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms to the central and eastern U.S.

The Fram2 crew will be the first humans ever to orbit Earth’s polar regions from space.