A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...

What is the polar vortex? How it’s responsible for dangerous cold Ronald Reagan had both the warmest and the coldest January ...

TRUMP’S RETURN — Inauguration Day will look a little different today, thanks to the polar vortex that’s bringing a blast of ...

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

The US Capitol building, an enduring symbol of American democracy, is about to witness yet another turning point in the ...

Follow live updates from Donald Trump's presidential inauguration as he is sworn in as the 47th US President to succeed Joe ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal temperatures and causing the Sunshine State’s manatee popula ...

DENVER — A powerful arctic cold front arrived in Colorado on Friday and will keep the state very cold until Wednesday. The 9NEWS Weather Impact Team has issued 9NEWS Weather Impact Days for ...

Technologycategory TikTok restores US service after Trump says “we have to save it” 7:53 AM UTC United Statescategory What to expect on Trump's Inauguration Day 6:07 AM UTC ...