The area covered by the Antarctic ozone hole peaked at more than 27 million square kilometers (10.4 million square miles) in ...

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 ...

The area covered by the Antarctic ozone hole peaked at more than 27 million square kilometres in September, the ...

The weeks after Thanksgiving might just be a tease for some intense Arctic cold that could arrive later in December. So, cold weather lovers — your time appears to be approaching. And snow lovers, the ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

Is a winter of the past, with snowstorms and extreme cold, about to hit Europe because of El Niño? Uncontrolled reports are circulating, including in national newspapers and television outlets. Let’s ...

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful El Niño.

A strong polar vortex and 'super' El Niño are developing, leaving experts split on how they could Tennessee winter.