Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

Jupiter and Saturn may be similar in size and made of the same gases, but the weather at their poles tells a different story.

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

"That would be a grand total of 12 days, if Monday's high falls short of freezing," Accuweather Meteorologist Chad Merrill ...

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

As a frigid polar vortex sweeps into Michigan this weekend, driving temperatures into the single digits and possibly beyond, ...

President Trump cited a major winter storm​ as evidence to suggest that global warming does not exist — a misleading claim ...

A warming Arctic set the stage for a massive winter storm expected to stretch 2,000 miles across the Eastern U.S. this ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

“EXPLODING TREES are possible in the Midwest and Northern Plains on Friday and Saturday, as temperatures are forecasted to ...

As a winter storm approaches Upstate South Carolina and other regions, here's what to know about deciphering forecaster terms.