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A Powerful Storm is Brewing in Colorado | International Dark Sky Week Inspiration

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International Dark Sky Week, April 15-21, 2018, draws attention to the problems associated with light pollution and promotes simple solutions available to mitigate it. This year, we’re sharing success stories from the worldwide community of dark… Read More

Earth Night | International Dark Sky Week Inspiration

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Andy Kreyche of the IDA Santa Cruz Chapter believes that the night sky should be of interest to everyone. Kreyche has been involved with the Chapter in California for about two years, and now serves… Read More

International Dark Sky Week 2018

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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

International Dark Sky Week 2019

Join the International Dark-Sky Association for seven days of celebration, learning, and action! 2019 International Dark Sky Week is Sunday, March 31 – Sunday, April 7!  Created in 2003 by high-school student Jennifer Barlow, International… Read More

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

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