The key NASA center remains under a mandatory evacuation order, but officials say both it and Mount Wilson are protected for ...

When the Eaton Fire flared up Jan. 9, flames climbed to the summit of Mount Wilson northeast of LA. What happened next was a ...

Fire threatens Mt. Wilson broadcast transmitters as L.A. TV, radio stations remain on alert; Observatory evacuated ...

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 ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

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