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 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The summer of 2025 brought unprecedented flash ...