Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows.

Southern California is getting drenched with the strongest storm of the year to date. Rainfall totals through Friday are expected to surpass two inches in Los Angeles County, ...

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

Heavy rain is expected to sweep across Southern California on Thursday, raising the risk of flash flooding and mudflows in ...

NASA scientists used satellite measurements to map out local subsidence and uplift across the Golden State, which plays into ...

With construction near homes, schools and businesses, a growing call for more limits on key renewable technology ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

Prince Harry has shared a rare glimpse inside the walls of his $US14.65 million ($A20.9 million) California mansion as he issued a heartfelt plea to the British public.

An air quality alert was issued on Sunday at 10:33 a.m. in effect until Tuesday at midnight. The alert is for Calabasas and ...

The first of two "pineapple express" storms has arrived in Southern California after delivering a stronger-than-expected ...

A recent executive order by California Gov. Gavin Newsom aims to ramp up fire safety in urban areas as new maps released by ...