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

In Eaton Canyon, a beloved hiking area, more than two dozen trails appear to have burned, including those leading to Millard ...

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 ...

Edwin Hubble was young and ambitious. At the of age 30, he arrived at Mount Wilson Observatory in Southern California just in time to use the new Hooker 100-inch telescope, at the time the largest ...

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

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 ...

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 ...

The house that's served as the residence for every vice president from Walter Mondale to Kamala Harris and now JD Vance is located on the grounds of the United States Naval Observatory.

Los Angeles harbors a hidden gem that’ll make your brain do backflips – the Museum of Jurassic Technology. The Museum of ...

One moment you’re examining intricate microminiature sculptures so small they fit in the eye of a needle, the next you’re ...