A truck cabin that was swallowed by a sinkhole in Japan two weeks ago has been located in a nearby sewer pipe, authorities ...

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

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

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