A veteran Bay Area real estate firm is the top bidder to buy the former U.S. Geological Survey campus in Menlo Park.

Beneath Yellowstone lies a magma reservoir, pulsing with molten and superheated rock and exsolved gases. Scientists have long ...

An earthquake with a 5.2 preliminary magnitude was reported near Julian, California on April 14, according to the U.S.

The temblor was centered about 2.5 miles south of Julian, according to initial reports from the U.S. Geological Survey.

A strong earthquake centered in San Diego County gave Southern California a rattle on Monday morning. According to ...

A magnitude 5.2 earthquake near Julian rattled much of Southern California and Tijuana just after 10 a.m. Monday, prompting ...

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

Geologist Minik Rosing refutes claims from the Trump administration about untapped mineral riches in Greenland. The U.S.

The US Geological Survey assessed technically recoverable oil and gas reserves in Maverick basin formations in the Western ...

Only minimal amounts of untapped oil and gas resources remain in the historic Los Angeles fossil fuel production basin, ...

A bill to fund the search for more water in West Maui has passed the Maui County Council after a state report showed some ...

A 3.5 magnitude earthquake struck near Julian in San Diego County Sunday afternoon, and experts are now monitoring for any ...