The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

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

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...

Some experts say the Frigid air that normally stays trapped in the Arctic escaping is happening more frequently because of a ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped ...