Gov. Gavin Newsom of California scrambled up a bridge cable before signing a bill at the top of the south tower.

Artificial intelligence companies are becoming pervasive in the city, and a humorist finds them ripe for mocking.

The city attorney argued that the service, available for up to $100,000 a month, could allow wealthy traders to manipulate the market, while leaving out everyday investors.

City officials — and one determined mother — are working to stop the spread of cychlorphine, which is far more potent than fentanyl.

City officials — and one determined mother — are working to stop the spread of cychlorphine, which is far more potent than fentanyl.

City officials — and one determined mother — are working to stop the spread of cychlorphine, which is far more potent than fentanyl.

Mayor Daniel Lurie wants to combat evictions in the city, which has the nation’s highest rent increases.

Mayor Daniel Lurie wants to combat evictions in the city, which has the nation’s highest rent increases.

Mayor Daniel Lurie wants to combat evictions in the city, which has the nation’s highest rent increases.

Ken Kesey’s psychedelic bus, immortalized in “The Electric Kool-Aid Acid Test,” is preparing for one more run. And to its owners, America sure could use it.

The Chronicle was honored for revealing how companies drastically underpay wildfire survivors. Gabrielle Lurie and an investigation of for-profit psychiatric hospitals were named finalists.

Two years ago, an older driver killed a couple, their toddler and their baby as her vehicle sped through San Francisco. A judge has indicated that he intends to let her avoid prison, home detention and community service.

The story of how nine skiers were killed, and six survived, in the deadliest avalanche in modern California history.

Families and friends of the women, many from the Bay Area, confirmed their identities. The women went on regular trips to the Tahoe region and were experienced skiers, the families said.

Federal authorities said the slain man, Alex Pretti, had approached agents with a gun. But videos show Mr. Pretti was holding his phone, not a weapon, when they pulled him to the ground.