A city has experienced back-to-back earthquakes. The region sits on top of an ancient fault line that formed 30 million years ...

An easy way to catch trains on the move may be a visit to a busy line or popular hot spot. This view from the station ...

Most California voters say Gov. Gavin Newsom (D) has focused more on a potential bid for the White House than his work in the ...

A preliminary magnitude 2.9 earthquake struck the East Bay at 8:17 a.m. Thursday morning. The quake’s epicenter was less than 1 mile east of Union City and about 3 miles ...

The U.S. Geological Survey released a report on Wednesday that outlined the potential for undiscovered oil in two formations beneath much of the U.S.

VIDEO COURTESY USGS A live view of the Kilauea eruption from the northwest rim of the caldera looking east. COURTESY USGS Kilauea volcano fountaining returned to Halemaumau crater this evening. 2 /2 ...