The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather. How cuts to federal climate funds could threaten polar ...

A major snow and ice storm is expected to affect tens of millions of people from Texas to New England over the weekend. The storm is very large, and it could be particularly dangerous because a frigid ...

A Nashville Department of Transportation truck applies salt brine to a roadway on Thursday in Nashville, Tenn., ahead of a winter storm expected to hit the central and eastern United States over the ...

Blink, and your eyelashes freeze together. Exhale, and your breath turns to ice crystals. Expose any part of your skin, and it's instantly threatened by frostbite. National Geographic Explorer Esther ...

Winter weather forecasts use specific terms that can be confusing to the general public. The "feels like" temperature and wind chill describe how weather conditions feel to the human body. Bundle up, ...

Polar vortexes are a year-round phenomenon. But Chicago-area residents only notice them when they collapse, experts say. That’s what’s happening starting Thursday when dangerously frigid air from ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

This week, New Jersey is set to experience temperatures below 10 as a shift in the polar vortex is letting Artic air slip south. Tuesday, Jan. 20 and Saturday, Jan. 24 are forecast to be the coldest ...

Georgia residents could be in for a sharp change in weather this weekend as a major polar vortex disruption pushes the coldest air of the season into the state. Forecasters say the setup raises ...