Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

Southern California is in desperate need of rain, but it could come far too fast this week, especially in areas recently burned by wildfires.

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another rainy storm system.

WASHINGTON (AP) — President Donald Trump said he is serious about wanting Canada to become the 51st state in an interview ...

Several feet of snow are expected to fall across the Sierra in the coming days as an atmospheric river moves across Northern ...

A pineapple express is a type of strong atmospheric river that carries moisture toward the western U.S., bringing the risk of ...

Oysters sustain themselves by sucking microscopic plankton out of the waters they inhabit, a reality that also turns them into natural water filters.

As an atmospheric river brings snow to the Sierra and rain to the Valley and Foothills, travel across Northern California may ...

California's two largest reservoirs, Lake Shasta and Lake Oroville, saw water level increases over the weekend after an ...

A stronger atmospheric river is set to hit Northern California on Monday and then hit County on Tuesday, aiding hopes of a more definitive end to a devastating ...

A police officer working on Pakistan’s first polio vaccination drive of the year was shot and killed by unidentified gunmen. Pakistan deployed thousands of police officers to protect health workers ...

Atmospheric optics is a branch of optics and photonics that studies how light behaves in the Earth’s atmosphere. This can include both understanding naturally occurring effects involving ...