A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

A formidable cold front is set to grip the nation, with meteorologists warning of a dramatic temperature drop that could leave even the sunniest states shivering.

The outbreak will bring the most significant temperature plunge since spring and affect more than 100 million people, ...

Experts, former officials, some lawmakers and international observers have questioned the legality of the strikes.

Millions of Americans are potentially facing a volatile stretch of severe weather this week as a sprawling storm system brings the risk of damaging winds, large hail, and tornadoes across the central ...

More than 190 million Americans woke up to an arctic blast on Tuesday, with most people seeing temperatures 15–25 degrees ...

Chicago is facing a dangerous lake-effect snow event overnight Sunday into Monday morning. A narrow, but extremely intense ...