The Contra Costa Community Warning System gave the "All Clear" for the wildfire in Morgan Territory on the east side of Mount ...

Contra Costa County firefighters advised people living on the east side of Mount Diablo to be prepared to evacuate as they ...

Election season is almost here. The candidate nomination period for the Nov. 3 ballot launched on Monday. Here are the 20-plus races we're tracking up and down the Tri-Valley.

San Ramon-based Donor Network West and the University of California, San Francisco have developed a system to connect ...

Livermore-based company Inertia officially opened its headquarters last week, marking progress on its mission to commercialize fusion energy.

Officials at BART announced Thursday that June was the transit agency's best month for ridership since the COVID-19 pandemic-induced slowdown cratered passenger numbers, and BART credited major ...

A man was arrested after a standoff with authorities that included a SWAT team presence in a Danville neighborhood earlier this week, town police confirmed Thursday. The incident reportedly began at ...

The future of the property on San Ramon Valley Boulevard has been determined, and it does not include the masonry store that ...

"Cruisin' On Main Street" is the theme of this year's fundraising gala for Tri-Valley REACH later this summer at McGrail Vineyards in Livermore Valley wine country.

The Danville Town Council is advancing the conversation on whether to establish a new requirement of developers to install a ...

This story was originally published by CalMatters. Sign up for their newsletters. A federal judge on Thursday ordered major ...