A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

An Arctic blast heading for the eastern half of the U.S. this week will bring below-freezing temperatures to Connecticut.

As an Arctic blast nears the East Coast, experts cautioned that even as winters become milder and shorter, risk factors ...

Tribe becomes 1st in US history to pass unprecedented constitutional amendment: 'It is our responsibility to protect her' Endangered Seabird Returns To Pacific Island For First Time In Over 100 Years ...

A double dose of arctic air will overtake much of the United States well into next week, adding danger during and after an impactful winter storm. Here are the details.

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

NERC CEO Jim Robb issued an unusual warning via YouTube urging electricity generators and gas companies to prepare for the ...

A powerful snow and ice storm, followed by Arctic air, will bring dangerous cold to the eastern U.S., plunging temperatures ...

A huge swathe of the US has been hit with ice, snow and wind as the polar vortex that dipped south over the weekend kept much ...

Investigators probe for a motive and potential accomplices in the New Orleans attack. A rush of arctic air is expected to hit the U.S. during the first few weeks of January. And NBC News went back to ...

A ferocious wildfire in a Los Angeles suburb devoured buildings and sparked panicked evacuations Tuesday, as hurricane-force ...

A storm will bring heavy snow, particularly to southern Nebraska and southwest Iowa, with sharp variations in snowfall totals ...