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IDA Announces Criteria for Community-Friendly Outdoor Sports Lighting

IDA Announces Criteria for Community-Friendly Outdoor Sports Lighting Thumbnail

IDA’s mission is to preserve and protect the nighttime environment and our heritage of dark skies through environmentally responsible lighting. The need for environmentally responsible outdoor lighting that balances the human need for light with… Read More

Harvard Law School Student Studies Light Pollution Case Law for IDA

Harvard Law School Student Studies Light Pollution Case Law for IDA Thumbnail

Tucson, AZ — Harvard Law School student, Iris Zhou, performed a three-week internship at IDA Headquarters in Tucson, Arizona where she researched case law related to light pollution. As a part of her internship, Zhou… 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

West Nile Virus Infectious Longer in Birds Exposed to Artificial Light at Night

West Nile Virus Infectious Longer in Birds Exposed to Artificial Light at Night Thumbnail

Artificial light at night doesn’t just affect our ability to see the stars — it also impacts complex ecological interactions and disease transmission factors, with the potential to have profound effects on human health.   What… Read More

2018 Globe at Night

2018 Globe at Night Thumbnail

An important part of solving the problem of light pollution is to have a thorough understanding of its magnitude. A great way to do that is to measure the brightness of the night sky. Thankfully… Read More

International Dark Sky Week 2018

International Dark Sky Week 2018 Thumbnail

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

Exploring the Night: Winter Fundraising Campaign

Exploring the Night: Winter Fundraising Campaign Thumbnail

  Give Now   While many folks enjoy spending winter’s chilly nighttime hours indoors, huddled around a cozy fire, the longer evenings of the season also provide extra opportunities for us all to explore the… Read More

Bird Migration Dramatically Altered by High-intensity Urban Light Installation

Bird Migration Dramatically Altered by High-intensity Urban Light Installation Thumbnail

By: Meg Schader for the International Dark-Sky Association Tribute in Light in New York City projects two beams of light into the sky as an annual memorial to the victims of 9/11. The tribute also… Read More

International Dark-Sky Association Recognizes 2017 Award Winners

International Dark-Sky Association Recognizes 2017 Award Winners Thumbnail

IDA Awards recognize and share the exemplary achievements of individuals and groups who are committed to our mission. U.S. and international dark sky heroes are recognized for their contributions to combatting light pollution. The 2017… Read More

Nobel Prize Awarded for Discovery of Molecular Mechanisms Controlling the Circadian Rhythm

Nobel Prize Awarded for Discovery of Molecular Mechanisms Controlling the Circadian Rhythm Thumbnail

The Nobel Assembly at Karolinska Institute today announced the 2017 Nobel Prize in Physiology or Medicine is awarded jointly to Jeffrey C. Hall, Michael Rosbash and Michael W. Young “for their discoveries of molecular mechanisms… Read More