Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

Skier Lenka Lanč captured a rare atmospheric phenomenon, the 'sun candle,' in Austria, which quickly went viral. The phenomenon occurs when sunlight interacts with flat ice crystals, creating a ...

This story was updated to correct spelling in headline. An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week.