An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. Get the details from ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Michigan.

A rare and exceptionally early disruption of the polar vortex is sending brutally cold air across much of the United States, ...

A bizarre "portal from hell" has opened up in a lake with a weird spinning vortex effect. The gigantic 75ft-wide hole took place after water levels in the Lake Berryessa reservoir in eastern Napa ...

Michigan could see a return of Arctic air around Thanksgiving as models suggest a possible wobble in the polar vortex, which ...