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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Red rock formations, Sedona, Arizona, United States
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The River Thames, London
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Short-beaked echidna, Adelaide Hills, Australia
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Strong sibling bonds
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Happy 70th to the North York Moors
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World Theatre Day
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Tufted titmouse, Massachusetts, United States
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Endangered Species Day
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Rapa Valley in Sarek National Park, Sweden
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Sea Otter Awareness Week
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Palazzo Zuccari, Rome
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Last Night of the Proms
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Chittorgarh Fort, Rajasthan, India
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A pink moon over Arizona
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Puerto de la Cruz, Tenerife, Spain
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Ocracoke Lighthouse on Ocracoke Island, North Carolina, USA
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Royal Alcázar of Seville, Spain
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Lavender fields in Plateau de Valensole, France
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Sand dunes in the Sahara, Algeria
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The mystery of Stonehenge
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A world within a world
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Bewitched by the fairy flower
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World Donkey Day
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World Art Day
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Andermatt village in the Alps, Switzerland
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Badlands National Park, South Dakota, USA
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Pink apple blossoms, Avila Beach, California, United States
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Whos snoozing?
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Gravity-defying wonders of the world
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Scottish Blackface sheep, Aberdeenshire, Scotland
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