Lake Oroville is on track to reach capacity for the third year in a row after a severe, years-long drought depleted its ...

The San Jacinto Tunnel is a 13-mile-long, concrete-lined water tunnel built between 1933 and 1939, carrying Colorado River ...

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

With the QGGPf, NASA is set to advance quantum gravity measurements, offering new tools for mapping Earth's resources and ...