In more than 100 locations, the cold could lead to record low temperatures, with a similar number of record cold high ...

NOAA releases northern lights forecast for Valentine's Day, with chances of the aurora borealis reaching the northern part of ...

Dangerously cold temperatures were descending into the U.S. as far south as Texas on Tuesday, breaking records in some areas.

Americans in the northernmost parts of the continental U.S. could see the northern lights on Sunday, as the National Oceanic ...

At least nine states from Georgia to Delaware are under snow and ice alerts as a winter storm moves east -- with brutal, ...

An intense blast of cold air has taken up shop in the central United States this week with temperatures up to 50 degrees ...

As the Earth is buffeted by a stream escaping from a hole in the sun, those in the northernmost states may be in for a treat.

Storm Kingston swept across the U.S. from the Midwest into the South and mid-Atlantic, bringing snow, ice and dangerous road ...

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

Winter's grip is only going to get firmer. Record lows and a winter storm are on the horizon. Here's our latest outlook.

An intense blast of cold air has taken up shop in the central United States this week with temperatures up to 50 degrees ...

An intense blast of cold air is making its way into the central United States this week with temperatures up to 50 degrees ...