For astrophysicist Mansi Kasliwal, her appointment to the historic Palomar Observatory as the new director was a full-circle moment. The California Institute of Technology announced her new position ...

After detecting a strange combination of signals in the summer of 2025, astronomers believe they may have captured the first ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

A new robotic camera at Palomar Observatory is scanning the night sky to capture some of the most volatile and violent events in the universe, including stellar explosions and colliding neutron stars.

A 4.0 magnitude earthquake occurred about 3 miles from the Palomar Observatory in North County on Sunday morning, jostling San Diego County. According to the U.S. Geological Survey, the quake hit ...