The wildfires will be one of the costliest natural disasters in U.S. history. Hopefully they will also teach policymakers ...

Debris flows brought on by the strongest atmospheric river of the season swept a car off a southern California highway and ...

As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.

Southern California is bracing for another day of potential mudslides in areas burned by last month’s wildfires after a ...