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

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 ...

Power outages continue to disrupt southern California’s Mount Wilson for a second week, forcing broadcasters to rely on backup generators. On Saturday, Southern California Edison restored power to the ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

European Southern Observatory Director General Xavier Barcons told Space.com that astronomers expect the project to brighten ...

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 ...

Together the Eaton and Palisades fires have burned almost 40,000 acres, destroying thousands of homes and businesses, and killing 28 people. They've also burned through several beloved hiking areas.

The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it appeared to be under control. The Mars Sample Return effort was billions ...

The best smart telescopes make viewing the universe a breeze. Treat yourself to our top picks from Unistellar, Celestron, Vaonis and more. The best smart telescopes help beginner and experienced ...