Red sprites are a strange atmospheric phenomenon that occurs far above powerful thunderclouds, ... Other types of TLE include blue jets, elves, halos, ghosts, trolls, gigantic jets, gnomes, ...

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.

To many, atmospheric rivers are a West Coast phenomenon. But they’re also responsible for devastating storms that can hit the Central and Eastern U.S.

A rare atmospheric river is hitting a large portion of the Midwestern and Southern U.S. this week, causing significant floods.

Red sprites are a strange atmospheric phenomenon that occurs far above powerful thunderclouds, ... Other types of TLE include blue jets, elves, halos, ghosts, trolls, gigantic jets, gnomes, ...