Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Tornadoes, winter storms and even hurricanes - chances are you've heard at least one of those phenomena mentioned in the same sentence with the jet stream. Here's a meteorology 101 rundown about what ...

A recent study in the journal Nature shows that when the summer jet stream over Europe veers north or south of its usual path, it brings weather extremes that can exacerbate epidemics, ruin crop ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. As we head into a more active weather ...

At the same time, every hurricane that formed, including the three powerful Category 5 storms, steered clear of the U.S. mainland. Both scenarios were unusual – and they were largely directed by the ...

Tree-ring data reveal that periodic shifts in strong winds high above the Earth's surface have driven opposite climates in different parts of Europe for the past 700 years and likely much longer, ...

On Wednesday, at least two transatlantic flights reached top ground speeds above 800 mph. They were still technically subsonic because they were propelled by a faster-than-usual jet stream. Recent ...

During her summer travels to her native Belgium, University of Arizona professor Valerie Trouet noticed something that turned casual curiosity into a major scientific discovery: When the sun hid ...