The atmosphere is very unsettled, especially with the recent weakening of the polar vortex, which has increased the chances ...

The polar vortex is on the move with its Arctic blasts, but so are storms packing snow and ice. The weather pattern setting ...

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

Early-season stratospheric warming events spark hype around frigid temperatures. Learn the myths and the science about the ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

For folks who long for cold, the weeks after Thanksgiving might just be a tease for some intense Arctic cold that could ...

Arctic air is creating chilly conditions for millions of Americans out shopping on Black Friday, as another shot of even ...

New England is set to kick off December and meteorological winter with its first significant winter storm on Tuesday, ...