Rainfall rates exceeded a half-inch per hour at times Thursday morning, according to the National Weather Service.

High-resolution near-infrared light captured by the NASA/ESA/CSA James Webb Space Telescope shows extraordinary new detail ...

Deep Space Optical Communication (DSOC) uses near-infrared lasers for high-bandwidth, low-power, and efficient communication ...

The Palomar Observatory, home to the 200-inch Hale Telescope that was once the world’s largest, offers tours that combine astronomy, history, and architecture. The observatory’s distinctive white dome ...

The Palomar Observatory, about an hour north of Julian, houses the famous 200-inch Hale Telescope that was once the largest in the world. Tours of this astronomical landmark offer a glimpse into the ...

We've also included links to cool photos of the cosmos taken from Palomar Observatory and a live "elephant cam" at the San Diego Zoo Safari Park in San Pasqual. Note: some webcams show live ...

The number of children and adolescents exposed to fentanyl has increased in the U.S., and even a tiny amount can cause death.

Borrowing comes nearly one year after North County medical provider borrowed $25 million from Sharp HealthCare ...

Jeb Allen said D.R. Horton decided not to build out the Shastina Ranch neighborhood, so the lots came back to Palomar ...

A sneak peek at upcoming San Diego community events, including street fairs, festivals, concerts, performances, art shows, ...