When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Chinese astronomers have investigated quasar candidates from the DESI Legacy Surveys (DESI-LS) photometry catalog. As a ...

The NIAOT in Nanjing was placed on Washington’s entity list in 2023, not long after shipping the finished spectrograph.

A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.

The 200-inch Hale telescope on Palomar Mountain is ailing ... Bowen, director of the observatory, announced this week that it might not be in working order until next fall. The telescope ...

Unlike Palomar, which operates hospitals in Escondido and Poway, Mesa Rock is not subject to public records laws, and ...

X-ray Observatory and the Palomar Observatory. Get ready to bang your head in the name of science. A pair of NASA space telescopes teamed up to capture a nebula that looks like a flame-throwing ...

Since 2018 the Zwicky Transient Facility, an international astronomical collaboration based at the Palomar Observatory in California, has scanned the entire sky every two to three nights.

A team of astronomers has detected 19 quasars, revealing details about supermassive black holes and cosmic dynamics.

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.