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

The Metropolitan Water District recently took a group of visitors to see the 13-mile tunnel beneath Mt. San Jacinto that delivers water to Southern California.

Coast Guard rescue missions failing after running into unexpected currents. Surprise atmospheric river storms flooding downtown San Francisco. Seafood contaminated by unseen algal blooms. California ...

A slow spring storm is headed for California this weekend, but it’s missing one key ingredient that typically drives the state’s most intense weather events: the jet stream. Instead, this weekend’s ...