Sycamore Knoll, spotted off Southern California coast, sparked claims of a 'UFO base' after mysterious sightings.

A mysterious underwater structure called Sycamore Knoll (''UFO Base'') found near Southern California has sparked new alien ...

Whales and dolphins keep washing up dead in Southern California — scientists say this is responsible - Sea lions, dolphins, ...

An underwater structure, Sycamore Knoll, sparks alien base theories. It disappeared from Google Earth but remains on fishing ...

Southern California typically experiences more than 10,000 earthquakes per year, according to the United States Geological ...

Southern California Edison details its plan to rebuild wildfire-damaged electrical infrastructure in Altadena and Malibu, ...

As the mission to recover from the devastating Southern California wildfires that impacted the communities of Malibu and ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States ...

The 5.2 quake was centered near Julian. There were no immediate reports of major damage or injuries but some residents ...