In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

But the Mount Wilson Observatory and the telescope were not damaged, thanks to firefighters' efforts, said L.A. County Fire Chief Anthony Marrone. "No buildings or infrastructure have been damaged ...

When the Eaton Fire flared up Jan. 9, flames producing heavy dark smoke climbed to the summit of Mount Wilson, a peak high ... with what was the largest telescope in the world.

The Mount Wilson Observatory was once home to the world’s largest telescope, and more than a ... above Los Angeles was a feat itself, and the work of another astronomer, George Ellery Hale ...