Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can seem counterintuitive. Record cold temperatures are once again expected to ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

You've probably come across the words polar vortex a few times already during this winter season. Maybe you're familiar with what it truly means, or maybe not. We're here today talking about exactly w ...

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

A winter buzzword, explained.

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

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold snaps, but the parts of the country that suffer differ between them. Those ...

The "polar vortex" talk becomes really popular each year. It usually doesn't surface until winter. Still, this season, the eastern U.S. is getting a shot of frigid air as this infamous polar vortex ...

Something unusual may be brewing in the stratosphere, and meteorologists say it could change the course of the winter forecast. The atmosphere is at a "critical juncture," and what happens in November ...

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