Large winter storms have started early this year. The polar vortex pattern has changed, likely due to climate change. Douglas ...

A high-pressure system in the Arctic could push frigid air south starting in mid-December, raising hopes for a white ...

The polar vortex, the crippling North Pole hurricane that is turning boiling water turn into snow and wreaking havoc with air-travel across the nation, is also threatening oil production and hydraulic ...

(CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

The polar vortex is one of Earth’s most powerful climate systems and scientists believe it may be collapsing. This could ...

The odds of extreme cold this winter in the US, Asia and parts of Europe are climbing, threatening to boost energy bills for consumers already grappling with high costs and economic uncertainty. With ...

Editor's note: CNN’s Laura Paddison contributed to this report. (CNN) — It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, ...