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 ...

If you’ve been thinking the recent weather has been about as cold as it can get, try working at the highest point in New England. Despite subzero temperatures, scientists at the Mount Washington ...

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 ...

Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding ...

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 ...