JACKSONVILLE, Fla. — Aircraft traveling from North America to Europe last week, neared the speed of sound over ground at times. What made these flights truly exceptional, was the powerful influence of ...

Savior of many a cramped pair of legs, the jet stream is well known for lopping roughly an hour off long haul west-to-east flights. But it's working especially hard for travelers in economy class ...

COLUMBIA, S.C. — The jet stream is a narrow current of high-altitude air, and it doesn't just affect the weather. In the same direction as the jet stream, an airplane can gain extra speed. For example ...

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 ...