The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of cold weather is due to activity of the polar vortex.

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Here's the latest on the winter storm.A historic winter storm is poised to produce potentially record-breaking snows from ...

Back when “climate change” took over—when the atmospheric concentration of carbon dioxide was well below 400 parts per ...

Several Gulf states experienced a major snowstorm this week. Changes in global climate patterns can be connected to weird ...

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first ...

The week began with a biting cold snap that hammered much of the U.S., the product of a jet stream that slips out of its ...

The areas of Waterloo region, Guelph and Wellington County have entered the third day of a deep freeze because of a polar ...

The polar vortex can be disrupted by factors such as natural turbulence, high-latitude ocean warming, sea ice loss, sudden atmospheric warming, planetary waves and climate change, says the ...