At least two flights briefly traveled faster than the speed of sound as the jet stream sped up, but there would not have been ...

The jet stream, one of the most dramatic forces of nature, was discovered during World War II when aviators first tried to cross the Pacific ... they might head due north and then arc down ...

A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across ...

The jet stream, which typically travels in an undulating fashion across the Pacific Ocean, will instead extend linearly across the basin, from Japan to the Pacific Northwest. Storm systems that ...

North America's weather is largely influenced by the water temperature in the central and east-central equatorial Pacific Ocean. This is due to the ever-present jet stream that typically moves from ...

NOAA: La Niña has officially arrived, though late, and is expected to remain weak, with a 59% chance of persisting through ...