Scientists using seismic data tracked groundwater levels beneath the L.A. area. They found heavy rains in 2023 boosted ...

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

Over the three-day storm, L.A. County's burn areas are expected to receive several inches of rain. How fast the rain falls ...

Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...

Reflecting intensifying wildfires and updated science, new state maps designate more than 2.3 million acres of local land in ...