Articles by Ellen Knickmeyer and Sudhin Thanawala

The earthquake that jolted California’s wine capital may have caused at least $1 billion in property damage, but it also added impetus to the state’s effort to develop an early warning system that might offer a few precious seconds for …

A private drone trying to record footage of a Northern California wildfire nearly hindered efforts to attack the flames from the air, but firefighters made enough progress to allow most of the 1,200 people under evacuation orders to return home …