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International Dark Sky Week: 5 Ways to Support Dark Skies Right Now

The nighttime environment is a crucial natural resource for all life on Earth, but the glow of uncontrolled outdoor lighting has hidden the stars, radically changing the nighttime environment. International Dark Sky Week draws attention… Read More

LIMITED EDITION IDA Poster by Tyler Nordgren

Artist Tyler Nordgren, widely known for his classic images of the night sky and other wondrous landscapes, has generously created 100 limited edition, signed and uniquely numbered posters for 2017 International Dark Sky Week. This… Read More

Stars Illuminate Our World

International Dark Sky Week draws attention to the problems associated with light pollution and promotes simple solutions available to mitigate it. Whether you'll be marching for science, attending a star party, checking out one of… Read More

Marching for Science? Download IDA’s FREE Light Pollution Posters

International Dark Sky Week is bookended this year by two mass public events: the National March for Science, April 22 and the Peoples Climate Movement march, April 29. The March for Science has its focus… Read More

5 Ways to Celebrate Dark Sky Week!

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1. During International Dark Sky Week, get together with friends and family and go outside at night. A lot of us don’t take the opportunity to experience the nighttime environment. Go outside, look up and… Read More

International Dark Sky Week 2017

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Join the International Dark-Sky Association for seven days of celebration, learning and action! Created in 2003 by high-school student Jennifer Barlow, International Dark Sky Week has grown to become a worldwide event and a key… Read More

Eyes In The Sky: Exploring Global Light Pollution With Satellite Maps

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Billions of people around the world routinely experience light pollution in the form of skyglow, the ever-present “haze” of light over cities at night. It comes from light on the ground scattering in the atmosphere… Read More

Annual “Earth & Sky” Photo Contest Now Open

“The Enchanted Forest” by Lyubov Trifonova. The Moon and the northern lights lit up the snow-covered forest in Murmansk, northwestern Russia, Dec. 2014. The first winner of the 2015 International Earth & Sky Photo Contest, Beauty of Night Sky category.

By Guest Writer David Malin, The World at Night and "Earth and Sky" Photography Contest Judge The World at Night (TWAN) is once again holding its "Earth and Sky" photography contest. The contest, now in… Read More

International Dark Sky Week Resources

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International Dark Sky Week draws attention to the widespread environmental impacts of light pollution and promotes simple solutions to solve it. Learn more about International Dark Sky Week. In order to help you spread the… Read More

Owls and Stargazing at the Headlands Dark Sky Park

Children gather around a birding expert during a "Owl Branding & Stargazing" event at the Headlands International Dark Sky Park in Michigan.

The Headlands, a 600-acre IDA International Dark Sky Park on the Straits of Mackinac in Michigan will be hosting two evenings of “Owl Banding and Stargazing” during International Dark Sky Week. The events will be… Read More