The Palomar Mountain Observatory Trail is one of only four National Recreation Trails in San Diego County. From the tree-shaded, well-maintained trail there are bucolic vistas of grassy meadows ...

Fire officials at their command center in Riverside said the Mt. Palomar fire has exploded to 20,000 acres and could threaten the famed observatory at the top, one of the world’s largest telescopes.

Palomar Observatory, operated by Cal Tech Institute of Technology, atop Mount Palomar in San Diego County, California. (Terry Richard/The Oregonian) Talk about a place to gaze at the stars.

After a visit to Mount Palomar's famous observatory, I enjoy introducing friends to the delights of the natural landscape right below the telescope's looming dome. In a kind of reverse pilgrimage ...

PALOMAR MOUNTAIN, Calif — 2023 marks 75 years since the Palomar Observatory was first dedicated. The San Diego County scientific marvel recently made headlines after the famous green comet was ...

Some 30 evenings a year, Astronomer Maarten Schmidt, 36, struggles with an electrically heated flight suit and enters the great, silvery dome of California’s Mount Palomar Observatory.