Scientist Pete Kelsey and his team have 3D-mapped the entire island of Alcatraz, discovering Civil War secrets, prisoner escape routes – and looking at ways to preserve the island for the future.

A recently released proposal to upzone large swaths of San Francisco aims to add enough density for developers to build as ...

A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday ... U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that ...

San Francisco rests on the tip of a peninsula along the northern California coast; it's flanked by the San Francisco Bay to the east and the Pacific Ocean to the west. The city is actually much ...

San Francisco’s skyline is on the verge of a transformation, but how much it actually changes remains to be seen. More than a dozen ambitious high-rise proposals, turbocharged by new state housing ...