Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

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 ...

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 ...

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, ...