Fundraising efforts are underway for three broadcast engineers in Log Angeles who have lost their homes to the ongoing ...

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

On the night the deadly Eaton Fire broke out in Los Angeles County, a gas station video camera captured what appeared to be sparks on a steep flank of Mount Wilson on Altadena’s outskirts and then ...

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Drought-ravaged Los Angeles, still battling the remnants of a series of devastating wildfires, will receive significant ...

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

The destruction in parts of Altadena, a few miles to the west of Sierra Madre, and Pacific Palisades, which had burned in a ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

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

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After a significant downpour that ended an extended dry spell — and with more rain anticipated — Los Angeles County residents were urged Sunday to prepare for potential flooding, mudslides and debris ...

Three college students found a way to take photos of the Mt. Lyell shrew, which has never been photographed in the 100 years ...