A battle between ex-Hurricane Isaias's remnants and a French high leaves the UK mostly dry Wednesday. Thursday brings a day ...

A shift in the jet stream is forecast to drive a rapid swing from warm to cool temperatures across western Europe toward the end of this week. Unseasonably warm weather is expected first, with the jet ...

Jet streams are often referred to as the "motor" of global weather: High-altitude wind currents steer areas of high and low pressure, playing a crucial role in shaping our weather. However, how these ...

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 ...