With the warming of winter creeping in, extreme cold events were expected to fade, but that was not the case. Though certain cold spells were normal variations in climate that felt cold against a hot ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

High above the North Pole, in a largely overlooked part of the atmosphere, a major shift is taking shape. Over the next 10 days, developments in the stratosphere are expected to reshape global weather ...

An Arctic blast could bring freezing temperatures and heavy snow to Kentucky around Thanksgiving weekend. A "sudden stratospheric warming" event may disrupt the polar vortex, potentially causing ...