The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

Scientists were taken aback, earlier this month, when they noticed that the Arctic's polar vortex has changed its course and has started spinning in the opposite direction. This unexpected shift ...

(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

There are arid regions of the world where winds can reach up to 100 Mph, although this is rare. When this energy is captured and stored, this natural resource becomes among the most valuable and ...