SAN JOSE (AP) - Prosecutors in Santa Clara County said human error by a technician led to six false positive drug tests at its crime lab.
MENLO PARK (AP) - Facebook wants to increase its advertising and get more clicks on all kinds of ads. It believes tapping into the lucrative small business market will help it achieve those goals.
SAN FRANCISCO (AP) - Twitter's stock sank to an all-time low after a post-IPO lock-up period preventing employees and early investors from selling expired on Tuesday.
SACRAMENTO (AP) - The state's largest union of health care workers says it has reached a deal with the California Hospital Association and will abandon its drive to place two hospital-regulation initiatives before voters in November.
LOS ANGELES (AP) - The U.S. Supreme Court declined Monday to hear an appeal by Los Angeles County contesting a ruling that held it liable for storm water pollution.
LODI (AP) - The Lodi Police Department on Monday released the transcript of a 911 call moments before a controversial officer-involved fatal shooting of a Gulf War veteran.
LOS ANGELES (AP) - Communication and coordination problems between at least a half dozen regional law enforcement agencies delayed response times and possibly endangered lives as cop-turned-killer Christopher Dorner went on a 10-day revenge mission across Southern California last year, according to an independent report released Monday.
RIALTO (AP) - Whether the Holocaust happened is no longer up for debate at Southern California's Rialto Unified School District.
DUBLIN (AP) - Police say an officer fatally shot a baseball bat-wielding man who attacked after the officer responded to a domestic disturbance call in Northern California.
• JAMUL TODDLER RECOVERING AFTER 3 RATTLESNAKE BITES: JAMUL (AP) - A doctor says a toddler who was bitten three times by a rattlesnake is lucky to be alive.
FAIRFIELD (AP) - Investigators trying to determine what caused the crash of a vintage airplane during a stunt at a California air show said Monday they will start by examining the wreckage and ground scars.
SACRAMENTO (AP) - California state government departments will be prohibited from selling or displaying items with an image of the Confederate flag under a bill that passed the Assembly on Monday.
LOS ANGELES (AP) - Lawmakers in Los Angeles made news six years ago when they put limits on renovated houses they called "homes on steroids." Now they are being told that law is failing because it has too many loopholes.
HESPERIA (AP) - All three lanes of Interstate 15 in Hesperia were closed in both directions Monday after a construction worker's blowtorch accidentally ignited the wooden supports of an overpass that was under construction.
SAN JOSE (AP) - San Jose police plan to interview a California teen who stowed away on a Hawaii-bound flight two weeks ago, surviving sub-freezing temperatures in the wheel well of a jetliner that crossed the Pacific Ocean.
SAN FRANCISCO (AP) - If two of the most progressive U.S. cities don't pass a tax on sugary drinks, will the idea finally fizzle out?
SAN FRANCISCO (AP) - A group of San Francisco Bay Area cities, counties and water agencies has joined forces for what is being billed as one of the largest single government purchases of all-electric vehicles in the country.
SANTA ROSA (AP) - Protesters on Tuesday denounced a Northern California prosecutor's decision not to file criminal charges against a sheriff's deputy who fatally shot a 13-year-old boy after mistaking the teen's pellet gun for an assault rifle.
LIVE OAK (AP) - Authorities say a Northern California teenager could lose his hand after a fireworks accident over the Fourth of July holiday weekend.
SACRAMENTO (AP) - Voters can forget the traditional Republican-Democratic matchups in at least seven California congressional districts come November. Contenders for those seats will have to do battle against challengers from their own parties.
NEWPORT BEACH (AP) - Lifeguards along more than 6 miles of pristine sand in this Southern California beach city had rescued more than 200 people by the time the call came to help a distressed swimmer east of one of the main piers.
FREMONT (AP) - Giant teeth from a 40-foot-long shark and portions of what could turn out to be an entire whale skeleton are among more than 500 fossils that have been unearthed at a dam construction site in Silicon Valley, a newspaper reported.
WINTERS (AP) - Crews battling a wildfire Monday in a rugged patch in Yolo County faced another day of triple-digit temperatures and gusty winds as officials warned the flames could again threaten homes.
SANTA ROSA (AP) - Prosecutors said Monday they will not file criminal charges against a Northern California sheriff's deputy who shot and killed a 13-year-old boy carrying a pellet gun he mistook for an assault rifle.
PLEASANTON (AP) - A Northern California water district is offering residents recycled wastewater to use on their lawns and plants, as it tries to cut water use during the drought.
SANGER (AP) - Water officials are looking into what caused a levee to burst, sending flood waters rushing across a Fresno County highway and into farmland and five homes.
LOS ANGELES (AP) - A nurse who committed a sex act with a corpse at a Southern California hospital has been sentenced to two years in county jail.
SACRAMENTO (AP) - Sentencing has been delayed a second time for a state lawmaker who was suspended after his conviction for perjury and voter fraud.
SAN FRANCISCO - A citywide effort is tackling a problem that few residents think about: rising seas and coastal erosion.
LODI (AP) - Nine years ago the FBI made a startling announcement: A "sleeper cell" of al-Qaida operatives was uncovered in this Central Valley community.