Hidden among 400 Valencia orange trees in a 5-acre grove, the facility’s two telescopes have been used to study the sun for decades.

The Institute of Volcanology and Seismology (Phivolcs) on Wednesday confirmed the theft of its earthquake monitoring equipment on the Tarlac side of ...

The Trump administration is moving to shut down two NASA missions that monitor a potent greenhouse gas and plant health, ...

Two people were killed Monday in a car crash in the San Fernando Valley, according to the Los Angeles Fire Department. The crash was reported around 3:45 p.m. on Wentworth Street, just west of ...