A federal judge has ordered the Trump administration to immediately halt indiscriminate immigration stops and arrests in ...

Rivers are Earth's arteries. Water, sediment and nutrients self-organize into diverse, dynamic channels as they journey from ...

California legislators re-introduced the Border Water Quality Restoration and Protection Act, an effort to address Tijuana ...

Deadly floods like those in Texas are rare in California, but climate change-fueled storms could make them more likely, ...

Nearly a century ago, L.A. County suffered the deadliest dam failure in U.S. history. Design flaws caused the St. Francis Dam ...

An atmospheric river is a narrow corridor of concentrated moisture in the atmosphere. These rivers can carry as much water as ...

An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash floods and mudslides.

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

An atmospheric river gathers moisture from the tropics and moves it inland. California will see heavy rain and snow in some areas, mostly in the north. Arizona will not only remain dry ...

After an extraordinarily dry start to the year, three atmospheric river storms are expected to hit California over the next week — with one of them potentially bringing much-needed moisture to ...

A high-end atmospheric river continued to pound Northern California on Friday on the tail end of a historic bomb cyclone.

An atmospheric river on Wednesday will bring heavy rain and mountain snow to parts of Northern California.