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

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

At the of age 30, he arrived at Mount Wilson Observatory in Southern California ... These glass plates recorded images of the night sky using a light-sensitive emulsion covering their surface.

Wilson. Other popular areas, including the Gabrielino Trail and the Mt. Wilson Observatory, were spared. An accounting of the damage of the Eaton fire is still ongoing. Since starting in early ...

The night sky was dotted with more than 100 nebulous objects ... In 1923, Hubble identified this star using the Carnegie-funded 100-inch Hooker Telescope at Mount Wilson Observatory in California, ...

Firefighters continue to fight fires in Los Angeles as strong winds returned to the region, spurring on a new fire near San Diego.

Despite subzero temperatures, scientists at the Mount Washington Observatory are working hard more than 6,000 feet above sea level. "It is really freaking cold, I guess is the scientific way to ...

Many travelers recommend visiting Lowell Observatory at night to get the most out of the experience, since that's when the stars are at their highest relief. Visitors also say the presentations ...

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, scientists say Sara Hashemi Correspondent The Mauna Loa Observatory in Hawaii ...