Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

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 ...

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

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

Major winter storm brings heavy snow to East Coast as Arctic blast puts millions under warnings from Plains to Maine ...

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 ...

Why Trump’s inauguration is taking place indoors for first time in 40 years - The arctic blast is expected to affect millions ...

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 ...