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

In this list, you will find some of the best views in San Diego from a Bird's eye perspective - great photo opps and romantic ...

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 ZTF camera, installed on the 48-inch Schmidt telescope at Palomar Observatory, scans the entire northern sky daily in three optical bands, reaching a depth of 20.5 magnitude—one million ...

The large sample size was obtained by Zwicky Transient Facility (ZTF), a Caltech-led astronomical sky survey at the Palomar Observatory in San Diego County. The sheer amount of white dwarf explosions ...

The ZTF camera, installed on the 48-inch Schmidt telescope at Palomar Observatory, scans the entire northern sky daily in three optical bands, reaching a depth of 20.5 magnitude—one million ...

And in 1964, Vera Rubin became the first female astronomer who was officially allowed to use the big telescopes at the Mount Wilson and Palomar observatories in California, overturning a ban that ...

Caption the Palomar 48 inch telescope at the Palomar Observatory in California with an image of the Milky Way in the background. The stars represent the number of supernovae discovered in each ...