When the lights go down, the universe puts on a show. International Dark Sky Week, celebrated each April, invites everyone to rediscover the night and learn why darkness is worth protecting. Launched in 2003, the week highlights how excessive artificial light affects wildlife, human health, energy use, and our ability to see the stars. Fewer lights don"t mean less safety—smart, well-designed lighting can do both.
International Dark Sky Week
Today in History
More Desktop Wallpapers:
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Milky Way over Zabriskie Point, California
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Taking the scenic route
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It’s NASA’s 60th birthday
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Grand Teton National Park, Wyoming
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Chicagohenge
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Italy s submerged village
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Flooded crypt, Basilica of San Francesco, Ravenna, Italy
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River Quoich in Aberdeenshire, Scotland
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Big wheels on a big mountain
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Wheels up in Beijing
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Vermilion Cliffs National Monument
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African bush elephants in Namibia
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Everglades National Park turns 75
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Who left the tub running?
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Atolls in the Maldives
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Big Bend National Park in Texas turns 81
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Armbrug bridge, Amsterdam, Netherlands
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Celebrating the International Day of Forests
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Mexican giant cardon cactus
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The lights of Paris
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World Book Day
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Group of giant cuttlefish, Whyalla, South Australia
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New beginnings
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Presidents Day
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New Orleans for Mardi Gras
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Red squirrel in Cairngorms National Park, Scotland
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Does it swim in slow motion too?
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Super sandy Sweet 16
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Salzburg, Austria
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World Bee Day
Bing Wallpaper Gallery

