Contra Costa County Health Officer Dr. Ori Tzvieli on Tuesday revealed how fortunate the Martinez community was on Feb. 1, ...

An explosive fire that ignited at a Martinez oil refinery and triggered shelter-in-place warnings spewed cancer-causing ...

Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

Months into a criminal investigation by the California Department of Justice into Contra Costa Health for possible Medi-Cal ...

Ten days after the refinery fire in Martinez, the Contra Costa Health says that cancer-causing chemicals were among the chemicals involved.

Contra Costa Health (CCH) has been awarded a $208,475 grant from the California Office of Traffic Safety (OTS) to support its ...

Antioch Police Oversight Commissioner Leslie May resigns after using racial slurs; city reaffirms zero tolerance for racism.

Contra Costa County Supervisor Shanelle Scales-Preston on Tuesday called for a full facility audit of Martinez Refining ...

A woman was killed and a man seriously injured after a solo-vehicle collision in Contra Costa County Monday morning, ...

Elon Musk has long railed against the U.S. government, saying numerous investigations and safety programs have stymied Tesla, ...

BRENTWOOD — The long-awaited Sand Creek Road extension, which connects neighboring cities and aims to reduce traffic, is now ...