Commercial planes often change course to avoid certain jet streams. Learn about the impact these high-altitude winds have on flight paths and travel times.

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 ...

Summer 2024 was officially the Northern Hemisphere's hottest on record. In the United States, fierce heat waves seemed to hit somewhere almost every day. Overall, the global average temperature was ...

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 ...

Meteorologist Justin Rudicel explains how the jet stream forms, why it shifts throughout the year and how it influences everything from severe storms to summer heat in Oklahoma. The jet stream is one ...

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the massive current of Arctic air that regulates weather for much of the Northern ...