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The International Dark-Sky Association works to protect the night skies for present and future generations.

Recent News

Tumacácori National Historical Park Becomes 100th Designated International Dark Sky Place

TUMACÁCORI, AZ – Tumacácori National Historical Park (NHP) is proud to announce it has received accreditation as the 100th designated International Dark Sky Place by the International Dark-Sky Association (IDA). Tumacácori NHP is honored to […] Read More

Study Links Artificial Light at Night and Cancer Risk

Study Links Artificial Light at Night and Cancer Risk Image

A recent study published in Environmental Health Perspectives investigated the relationship between artificial light at night (ALAN) in Spain and the risk of developing breast or prostate cancer.1 Previous research has shown that night shift […] Read More

Wimberley Valley Cities Become Third International Dark Sky Community in Texas

Wimberley Valley Cities Become Third International Dark Sky Community in Texas Image

In recognition of noteworthy local efforts to reduce light pollution and promote the benefits of nighttime darkness, IDA today designated the Wimberley Valley of Texas as an International Dark Sky Community. It is only the […] Read More

The Pull of Dark Sky Islands

The Pull of Dark Sky Islands Image

By Guest Writer Ada Blair I love visiting islands, I always feel a strong sense of crossing a threshold, entering into a different, more relaxed frame of mind, when I’m on a ferry leaving the mainland, […] Read More


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