Officials urge Americans to stay indoors as a historic winter storm creates "catastrophic" ice conditions and triggers the largest weather alert ever.

Hundreds of thousands of people are without power as heavy snow and ice has downed power lines across the country.

Over 200 million people across 37 states were under winter alerts on Sunday morning. Some 1 million were without power.

A massive winter storm headed towards the northeast United States on Sunday after sweeping across much of the country, threatening tens of millions of Americans with blackouts, transportation chaos and bone-chilling cold.

More than 200 million people are under winter storm threats as officials brace for power outages and travel difficulties.

Nearly one million people are without electricity due to heavy snowfall, strong winds, and freezing rain. Here are some tips to help you get through it.

One of the most extreme and expansive storms in years is coming. Here’s what to expect and when.

Millions across the country, including much of North Carolina, are dealing with a mix of ice, sleet and snow as the winter storm moves east.

Managers of electric grids say freezing temperatures and ice and snow could lead to power outages in many places, potentially leaving millions in the dark.

Major winter storm threatens mail delivery across more than 30 states as the USPS issues service alerts for widespread delivery disruptions.