On 23 June 2025, the world will get a look at the first images from one of the most powerful telescopes ever built: the Vera ...

Ketchum and Sun Valley are the gateway to the first international dark sky reserve in the United States. For a world-class ...

Vibrant hues of green, pink, and purple danced across the night sky over New Hampshire on Monday night as a strong ...

which can dole out an official Dark Sky park status. Only the clearest night skies, unimpeded by light pollution, are allowed the honorable IDA-certified title. Over half of the 50 US states have ...

Does this magical view of the southern night sky over Lake Wairarapa ... A full moon rises over winter-clad mountains in Breiðabolsstaðir, Iceland—illuminating the stark beauty of the snow ...

Night sky over Summer Lake Hot Springs ... currently comprises the southeastern half of Lake County, including Hart Mountain, Lake Abert and Summer Lake. Future plans include expanding into ...

The Appalachian Mountain Club’s Maine Woods International ... One night this past May, the night sky lit up with epic displays of the aurora borealis over Maine, the result of charged particles from ...

When you go outside on a clear, moonless night ... at sky brightness—what they call the sky background—they use a unit of brightness per area of the sky: how much light is spread out over ...