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If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.
The Adirondack region is taking steps to preserve its dark night skies, with a proposed bill aiming to reduce light pollution ...
Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...
Bisbee is the 22nd dark sky place in Arizona, and among 155 in the U.S., many of them clustered in the Southwest. It earned certification after a six-year-long community effort led by Bruce Syrett.
The night sky isn’t perfectly dark—instead it glows faintly, and the source isn’t exactly local By Phil Plait edited by Lee Billings Zodiacal light over Padar Island, Indonesia.