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

The Eaton Fire made a run for Mount Wilson on Thursday afternoon. But the Mount Wilson Observatory and the telescope were not damaged, thanks to firefighters' efforts, said L.A. County Fire Chief ...

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 ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it -- the flickering star is 2.2 million ...

The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it ...

The Eaton Fire that started in the foothills northeast of Los Angeles flared up Thursday morning near Mount Wilson.

Shapley argued the opposite. Hubble enters the fray Edwin Hubble joined the Mount Wilson Observatory team in California in ...

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 ...

The Eaton Fire that started in the foothills northeast of Los Angeles flared up Thursday morning near Mount Wilson.