Climate deniers are quick to say ‘I told you so’ when the mercury drops. But a warmer planet impacts weather in ways that can ...

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

A polar vortex brings bitterly cold Arctic air into southern Ontario. Here’s what it is and what you can expect.

Winter Storm Fern aftermath continues as the East Coast braces for a bomb cyclone and polar vortex, with heavy snow and ...

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A polar vortex will linger through much of the country for most of this February, prolonging the deep freeze for weeks to ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

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

Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the month. The ongoing pattern may trend stormier with areas of snow and ice ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...