Multiple earthquakes shook California's Bay Area Thursday. They were recorded near Hayward, around 20 miles southeast of ...

A sprawling web of violence across America has been linked to a fringe group of radical Berkeley pseudo-intellectuals known as the Zizians.

Bay Area voters may be willing to pay higher taxes to save BART and other transit systems from financial ruin, according to a ...

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

Heavy rain from the latest atmospheric river running triggered flood warnings for several Bay Area counties Thursday.

In some areas, hazards have surged. Buildings in the highest hazard zones will be subject to the strictest fire-resiliency ...

An atmospheric river storm brought heavy rain and high winds to San Luis Obispo County on Thursday — causing flooding and ...

Reflecting intensifying wildfires and updated science, new state maps designate nearly two-and-a-half million acres of local ...

Crews have rushed to clear out basins designed to catch mud, rocks and other debris from tumbling into neighborhoods as ...