An unusually strong jet stream over the Atlantic bringing Storm Eowyn to the UK and Ireland is so powerful it pushed a flight ...

At least two flights briefly traveled faster than the speed of sound as the jet stream sped up, but there would not have been ...

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

The amount of snow the Gulf Coast States received makes this weather system the worst winter storm in over 120 years. Before ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

The Hollywood sign stands sentinel above Los Angeles, watching as embers dance through the January night like wayward stars.

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow ...

So, as the Deep South grapples with the foreign language of snowflake icons making a (for some, repeat) appearance in weather ...