If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

An intense winter storm with hurricane-force winds is expected to hit the Midwest on Wednesday. The bomb cyclone follows an active winter season where polar vortex winds created dangerous conditions ...

Arctic air is sweeping the nation just in time for the start of meteorological winter, causing over 235 million Americans to experience below freezing temperatures through the end of the week. The ...