Picture this: you're checking tomorrow's weather for the tenth time this week, and each time the forecast has shifted. What ...

Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

This is an archived article and the information in the article may be outdated.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. The weather pattern is changing as the Jet ...

Dartmouth researchers used machine learning and long-term climate records to construct a timeline of jet-stream variability since 1901. Nearly all prior studies of the jet stream focus on the period ...

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As the northeastern U.S. braces for the latest in a seemingly endless series of winter storms, new research has shown that the persistent cold weather suffered by much of the United States this winter ...

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...

In recent years, the global climate has become increasingly extreme, with intensifying alternations of droughts and ...

A heat dome is building over the U.S. and Canada this week, bringing triple-digit temperatures to millions of people. The extreme heat comes as forecasts predict that most of the U.S. will face a ...

A hurricane is an amazing weather phenomenon. It begins with a few clusters of thunderstorms. If conditions are ripe, those few thunderstorms can explosively develop into a major hurricane within a ...

A University of Dayton researcher argues the extreme weather of 2025, from flash floods to hurricanes, had the jet stream's fingerprints all over it.