Atmospheric rivers are a “long, narrow region in the atmosphere—like rivers in the sky—that transport most of the water vapor ...

The more significant storm will hit on Monday and Tuesday, but impacts from the first storm will arrive on Friday.

A map published by the National Weather Service (NWS) Climate Prediction Center shows which states can expect a return to rainy weather next week, including those anticipating an "impactful" ...

Southern California is bracing for heavy rain, gusty winds and cooler temperatures as a Pacific storm, fed by an atmospheric river, moves inland through the region.

Rivers are a vital source for drinking water, plant and animal life, and community, but across the U.S., many of the largest and most critical of these waterways — and the people and wildlife they ...

CORRECTION: This story has been updated to reflect the average amount of water used by California families, about one-third of an acre-foot, based on a statewide average. California, Arizona and ...

Sure, we know about endangered species, but did you know there are endangered rivers, too? Environmental group American Rivers released its annual list of the USA's top 10 "most endangered" rivers ...