To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...

QUEBEC — The new leader of the Coalition Avenir Québec and next Quebec premier will be chosen April 12, but any ministers who choose to run for the job will have to quit cabinet for the campaign to ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

FRIGID WEEKEND🥶 ️: Parts of the Northeast - like New York, Philadelphia and Boston - could see their first significant snow of the season this weekend, thanks to a polar vortex issuing some cold air ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

A disrupted polar vortex is expected to bring cold weather to many parts of the U.S., and potentially snow to some regions. A rare atmospheric event known as sudden stratospheric warming is being ...

Winter weather warnings have been issued in 30 states as a bone-chilling polar vortex is poised to freeze the US with record cold temperatures starting tonight. The National Weather Service (NWS) ...

Northern parts of the United States are seeing colder temperatures following Thanksgiving after record-breaking heat hit many parts of the South last week. But the country could be in for shockingly ...

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...