A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee ...

Why herds of manatees are huddling in water near America's power plants - A polar vortex that has hit much of the U.S. in a ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

These outbreaks can happen when the polar vortex is in a weaker state, allowing cold air that is normally confined to the north to break off and move further south. Some experts say this is ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

You've likely heard the term "polar vortex" virtually every winter since it first entered into popular culture during a bitterly cold January a decade ago. The polar vortex is a whirling cone of ...

Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers in cold air from Siberia and multiple storms roll in and bring the potential ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...