Authorities on Wednesday identified two motorists who died in crashes in Contra Costa County earlier this month.

Authorities on Wednesday identified two motorists who died in crashes in Contra Costa County earlier this month.

Contra Costa Health on Tuesday responded to a Martinez Refining Company report that chemicals and combustion byproducts from ...

West Contra Costa Unified School District has unveiled its newest science building for middle and high schoolers. The ...

After 32 years with the county, Contra Costa Health Chief Executive Officer and Health Director Anna M. Roth has announced ...

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

WASHINGTON (AP) — Elon Musk has long railed against the U.S. government, saying a crushing number of federal investigations ...

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

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

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