A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

New Mexico swung from its hottest December on record to a snowpacked January, as a polar jet stream storm delivered up to 8 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) At the same time, every hurricane that formed, including the three powerful Category 5 ...

Shuang-Ye Wu does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...