Add Yahoo as a preferred source to see more of our stories on Google. In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high ...

Add Yahoo as a preferred source to see more of our stories on Google. Get ready for some much colder weather. Forecasters are calling for a return of the polar vortex in the coming days and weeks.

STATEN ISLAND, N.Y. -- As it pertains to Tuesday's weather, we on Staten Island know two things: (1) It's cold. Really, really cold... and (2) it has something to do with a polar vortex. But what, ...

You’ve almost certainly heard of the polar vortex. But what about "sudden stratospheric warming," a weather term that’s started making the rounds on social media? They’re related to one another, and ...

President Trump delivers the State of the Union to Congress. by SETH BORENSTEIN AP Science Writer It's as if the world has been turned upside-down, or at least its weather. You can blame the ...

In 2014, the term “polar vortex” burst on the scene across Canada and the U.S. as temperatures plunged. In some places, it was colder than it was on Mars. Well, get ready to hear more about it.