To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

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

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 ...

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

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

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

The long-closed, 1920s-era observatory in Lake Angelus is important to astronomy buffs. But its private ownership has ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Will Rogers’ ranch house and other historic buildings located on the 186-acre Will Rogers State Park were destroyed by the ...