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

The service warned that "dangerously cold" wind chills presented a risk of frostbite and hypothermia if unprotected skin is exposed to such temperatures. It advises those in affected areas to dress in ...

The U.S. is in peak flu season, as the CDC releases a map of influenza activity across the country. See which states are at ...

A new map reveals that a sudden nuclear attack could incinerate 75% of the US population, totaling up to 250 million.

This flu season has reached unprecedented intensity, according to data from the Centers for Disease Control and Prevention.

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

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

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

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

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 is making its way into the central United States this week with temperatures up to 50 degrees below average and over 100 daily low records at risk of being broken.