This month prominent peer-reviewed journals have published two papers that link apparent flashes of light seen by a telescope ...

New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy ...

Data show that unidentified lights in archival astronomy images were 68% more likely to be imaged 24 hours after a nuclear ...

Researchers poured over historical photographs in search of "transients"—short-lived flashes of light of the night sky.

More times than she can remember, Jean Mueller stood on the catwalk of the 200-inch Hale Telescope at the Palomar Observatory scanning the night sky, trying to time the exact moment to close the dome.

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 ...

As US astronomers cheer the completion of the state-of-the-art project to rejuvenate the iconic Hale Telescope, one key ...