An overturned semi-truck has shut down State Route 4 near Tracy Boulevard in Stockton, official say. The extent and severity of the injuries has not been confirmed at this time. Click the video player ...

Robert F. Kennedy Jr. was a key figure in protests over California vaccine laws. He could set U.S. health policy in the Trump administration.

Most ships discharging ballast water into California waters are inspected, but state officials have tested the water of only ...