The threat of a major explosion at a Southern California aerospace facility is "off the table" after firefighters performed an all-night operation Sunday to test the pressure inside a cracked tank in ...

ALISO VIEJO, Calif. (AP) — An explosion that ripped through a Southern California day spa killed the owner, and investigators Wednesday were looking into whether she was targeted in the crime.

Add Yahoo as a preferred source to see more of our stories on Google. Officials say the risk of a massive explosion has been "eliminated" for California after a chemical leak in Orange County. CBS ...

The threat of a toxic chemical tank explosion in Southern California has subsided enough to allow some of the 50,000 residents who were evacuated to return to their homes, officials said late Monday.

One person was killed and two more hospitalized after a home exploded on the 6000 block of Ocotillo Avenue in the city of Twentynine Palms on Aug. 21. Three adults and a dog were inside the home when ...