A river of fast air circles the planet near the top of the troposphere, bending north and south as it goes. Its changing ...

Something has been off about the sky lately, and meteorologists are finally putting numbers to the feeling. Across the past ...

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 ...

If you’ve ever heard a meteorologist mention the jet stream and thought, “Okay… but what does that actually mean?” You’re not alone. It’s one of the most important drivers of weather across the United ...