A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.

Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to feel are sketching out a hidden map of danger. By tracking these tiny tremors ...

Large subduction-zone earthquakes leave scars on the continental slope in the deep sea.

A 4.9-magnitude earthquake and several aftershocks rattled the Inland Empire on Monday night, according to the United States Geological Survey.

San Jose City Hall’s plaza has seen lowrider shows, a huge EDM concert, protests and more. But it’s never looked like it will Jan. 31 when 2,000 people are covering the plaza with illuminated ...

Researchers at UC San Diego are among five groups nationwide selected to share $176.8 million in funding to explore replicating vital organs, an approach that, if successful, would revolutionize ...

This series, ahead of the centennial exhibit, which opens Jan. 24, looks at the museum's deep history. We continue by offering details of the west wing expansion proposal. Future posts will feature ...

For this installment of "From the Archives," we answer questions about the Balcones Escarpment and the Balcones Fault ...

Whether you’re looking to tour historic landmarks, learn some gardening skills or explore the local flora and fauna, you’ll find plenty of opportunities on the Peninsula. Check out our October home & ...

LAS VEGAS (AP) — In a vision of the near future shared at CES, a girl slides into the back seat of her parents' car and the cabin instantly comes alive. The vehicle recognizes her, knows it’s her ...