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Texas Collaboration Protects Dark Skies

Texas Collaboration Protects Dark Skies Thumbnail

The western part of Texas is home to one of the largest oil and gas producing regions in the US, the Permian Basin. Also located in this area is the McDonald Observatory, home of the [...]

Artificial Light Affects Zooplankton in Arctic Thumbnail

During the polar night in the high Arctic, a team of scientists discovered “that certain aspects of the polar marine ecosystems are extremely sensitive to potential light pollution and that traditional sampling techniques are insufficient…
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World’s Newest International Dark Sky Reserve Is Largest In Europe Thumbnail

Dark night skies remain accessible over southeastern France, thanks to efforts undertaken by a region of the country described by National Geographic as “classic landscape of traditional French life”. In recognition, Cévennes National Park has been…
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Artificial Light at Night Affects American Toad Metamorphosis and Growth Thumbnail

In a study at Case Western Reserve University, scientists tested for both direct and indirect effects of artificial light at night (ALAN) on American toads. The research was conducted over two life stages of the…
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Kanab, Utah Preserves View of the Stars with Outdoor Lighting Ordinance Thumbnail

On June 26, 2018, after a two-year citizen-led effort, the Kanab City Council enacted an outdoor lighting ordinance to protect the natural darkness that makes Kane County, Utah, a great place to see stars. Residents…
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Feeding Two Birds With One Seed Thumbnail

By: J. Scott Feierabend, Executive Director For most of my adult life, I routinely invoked the phrase of “killing two birds with one stone,” the old standby adage used to describe one’s ability to achieve…
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How Light Pollution Affects the Pennsylvanian Ecosystem Thumbnail

By guest writer, Craig Campbell As little as 100 years ago, it was possible to look up in the sky at night and see millions of stars spread across the Milky Way. Now, there are…
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Artificial Light at Night May be Contributing to “Ecological Armageddon” Thumbnail

In 2017, drastic declines of insects were reported by a team of scientists in Germany. The research indicated that the biomass of flying insects decreased more than 75% over the 27-year study period.1 In a…
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The Story of Libra Ω

The Story of Libra Ω Thumbnail

Help us protect night skies by adopting a constellation! Your gift will be matched dollar for dollar through August 3. DONATE NOW TO ADOPT LIBRA The Story of Libra “The Scales” The stars that make Libra used to be viewed as…
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Looking Up! Celebrating 30 Years of Night Sky Advocacy at the 2018 Annual General Meeting Thumbnail

Looking Up! This year, we’re celebrating IDA’s 30th anniversary and the community of scientists, conservationists, policy-makers, and advocates who successfully work together to preserve and protect the natural nighttime environment and our heritage of night…
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Arizona’s Petrified Forest National Park Becomes World’s Newest International Dark Sky Park Thumbnail

The National Park Service and IDA are pleased to announce that Petrified Forest National Park has been officially designated as an International Dark Sky Park. An IDA International Dark-Sky Park (IDSP) is a land possessing…
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