An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

The strongest storm in a year is set to pound Southern California this week, with forecasters warning of potential widespread roadway flooding and the chance of landslides throughout the region — ...

Portions of Southern California are bracing for rainfall and potential flooding in the wake of deadly wildfires.

“Most precipitation will fall in the Far West, Southwest, Rockies, and eastern U.S., especially Tennessee and surrounding ...

Humans have been making maps for as long as they’ve been exploring the Earth. Some of their cartographic maps went on to ...

A magnitude 4.1 earthquake struck off the Northern California coast after midnight on Tuesday, the U.S. Geological Survey said. Several smaller quakes followed.

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

A river is running red in Argentina and stumping officials as to why. Residents started sharing images of the discolored water on social media last week.

As more rain and high winds make their way into Southern California, forecasters are continuing to increase their precipitation predictions. The storm system, described as “significant” by the ...

A system-wide evaluation of California’s marine reserve network finds conservation benefits across multiple ecosystems.

The body of water formerly known in the United States as the Gulf of Mexico is now listed for U.S.-based users of Google Maps as the Gulf of America.