When the Eaton Fire flared up Jan. 9, flames producing heavy dark smoke climbed to the summit of Mount Wilson, a peak high above the San Gabriel Valley that is home to vital communication towers for ...

Power is out on southern California’s Mount Wilson for a second straight week, forcing broadcasters to rely on backup ...

This research was made possible thanks to a formal agreement between the Carnegie Institution of Washington and the Mount Wilson Institute and was sponsored under the National Science Foundation, ...