The iconic Palomar Observatory in Southern California has welcomed astronomers to its mountaintop perch for almost 80 years. Its massive, 200-inch (5.08 meters) Hale telescope doubled the known ...

The Palomar Observatory has been viewing the stars, planets and universe since 1936. According to a timeline on the observatory’s website, plans for construction began on the project in 1908 ...

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 ...

For those unfamiliar with how George Ellery Hale’s 200-inch Big Eye Telescope at Palomar observatory forever changed astronomy, Linda Schweizer’s recent book will be a revelation.

The famed Palomar Observatory in North County photographed an SUV-sized asteroid last weekend that NASA says set the record for coming closer to earth than any known near-earth asteroid. The NEA ...

Palomar Observatory bids farewell to a tradition of napkin rings, cowbells and astronomical table conversation. Out There Palomar Observatory bids farewell to a tradition of napkin rings, cowbells ...

Palomar's original 18-inch telescope. The glass mirror traveled across the country to arrive at Palomar observatory. A glimpse of the dome from the visitors center. Breaking space news, the latest ...

A few months after the end of World War II, on Dec. 3, 1945, workers at the Caltech Optical Shop resumed grinding work on the mirror of a 200-inch Palomar Observatory telescope.