The historic building atop Mt. Hamilton is red-tagged and closed to visitors. But Astronomer Elinor Gates gave us a ...

Nearly three weeks after severe winds damaged an iconic observatory​ in the mountains near San Jose, crews are still focused on emergency mitigation efforts.

Just an hour east of San José, up a steep road with bursting wildflowers and crooked oak trees winding through the Diablo Range, sits one of California’s most remarkable scientific outposts. Perched 4 ...

The summit of Mount Wilson looms over Pasadena at about 5,715 feet, with the white domes of the observatory buildings and surrounding radio towers visible to drivers along Interstate 210 below. The ...