San Francisco police are investigating an explosion that shattered about 75 windows in the South Park neighborhood Sunday morning. The explosion was reported at ...

San Francisco police said they investigated more than 20 bomb threats in the city Thursday.

Police said no explosive device or suspicious package was found Tuesday evening in an office building on Facebook's main campus in Menlo Park.

A Florida man charged with sending packages with explosive materials to political opponents of President Donald Trump allegedly searched online for the term ...

Stored fireworks appear to be the cause of a garage explosion Sunday afternoon in southeastern San Jose

Emeryville police said the threat from a possible explosive device was eliminated following its discovery Tuesday afternoon in a storage room in a ...

The investigation began when the FBI noticed last fall that Jameson was posting "Like" and "Love" notices on Facebook posts that were pro-Isis.

A man who allegedly threatened to harm the LGBTQ community with explosives and twice stole a rainbow flag from the Guerneville Chamber of ...

A man was arrested in Morgan Hill after he mixed chemicals and set off a loud explosion in his home on Monday, police ...

A homemade pipe bomb was delivered to the Novato Police Department and has since been rendered safe, police said.

Contra Costa County sheriff's deputies are responding to a pipe bomb reported in unincorporated Danville Tuesday morning.

A terminal at San Francisco International Airport was evacuated when a suspicious package was reported late Monday morning.

The San Francisco offices of the Anti-Defamation League was evacuated for hours Monday afternoon after receiving a bomb threat.

A 47-year-old man detained Tuesday has been released as officers continue to search his Milpitas home Wednesday in their investigation into possible explosives.

A man died when a pipe bomb exploded inside a health clinic in Oakland Tuesday evening in an incident that investigators are calling ...

Matt Moore couldn't do enough, again, as the Giants' 9-5 loss to the Mets is making the big acquisition look silly.

A 30-year-old Oakland man who allegedly committed arson at Google headquarters in Mountain View was arrested late last week.

A police bomb squad responded to San Francisco’s Bayview District on Sunday evening after a person allegedly detonated a bomb inside an abandoned ...

George Washington High School in San Francisco's Central Richmond District is currently being evacuated after school officials received a bomb threat.

BART police received a call Saturday from San Francisco police reporting a bomb threat at the Civic Center station.

San Francisco State University is allowing students back in the Cesar Chavez Student Center.

TSA officials found two loaded firearms in carry-on bags at SFO over the past week.

A grenade removed by San Jose police Tuesday afternoon near Yerba Buena High School was real but its explosive components had been removed, ...

Two people were killed and more than 100 injured when two bombs exploded near the finish line of the Boston Marathon.