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, ...

The daily weather we experience is largely shaped by atmospheric conditions nearly 30,000 feet above us, where a key factor is the weather phenomenon known as the jet stream. Think of a jet stream as ...

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 ...