The Mount Wilson Observatory and telescope were not damaged from the Eaton Fire, thanks to firefighters, said L.A. County Fire Chief Anthony Marrone.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

a peak high above the San Gabriel Valley that is home to vital communication towers for the Los Angeles vicinity and the historic Mount Wilson Observatory. What happened next is a fire protection ...

When the Eaton Fire flared up Jan. 9, flames producing heavy dark smoke climbed to the summit of Mount Wilson, a peak high ...