Light Pollution

A driving source of light pollution: How car headlights are reshaping the nighttime environment

Light Pollution

If you have found yourself squinting more often at the bright, blue glare of oncoming traffic in recent years, …

January 8, 2026

International Dark Sky Places Program Advocacy 2024

Light Pollution

Across the world, certified International Dark Sky Places (IDSP) serve as shining examples of how communities and protected areas …

July 17, 2025

Into the blue: Understanding marine light pollution

Light Pollution

Artificial light at night (ALAN) has long been studied for its impacts on humans and wildlife on land…

June 6, 2025

Artificial Light at Night: State of the Science 2025

Light Pollution

Each year, DarkSky International updates Artificial Light at Night: State of the Science, a comprehensive publication that captures what …

June 2, 2025

DarkSky and the National Audubon Society promote Lights Out for the birds

About

Twice a year, billions of birds take part in massive migrations. Generally, birds spend the spring and summer in …

May 8, 2025

Monarchs on the move: Why dark skies matter

Light Pollution

Few sights in nature rival the breathtaking spectacle of monarch butterflies, their vibrant orange wings fluttering gracefully across continents …

March 31, 2025

Dark skies vital for astronomy in Northern Chile now at risk

Astronomy

Northern Chile’s world-class dark skies are under threat from the INNA project. Learn why DarkSky International is calling for …

March 25, 2025

Building dark sky connections with Michelle Wooten

Light Pollution

When you first enter the Smithsonian National Museum of Natural History, most people’s attention is drawn to the elephant …

March 12, 2025

Exploring “Lights Out”: The Smithsonian’s special exhibit on reclaiming the night

Astronomy

When you first enter the Smithsonian National Museum of Natural History, most people’s attention is drawn to the elephant …

January 17, 2025

Reflecting on Under One Sky 2024: A global gathering to protect the night

Astronomy

Under One Sky 2024 was our largest and most impactful global conference to date!

November 21, 2024

Create state and local outdoor lighting codes

Policy

Establishing quality requirements for outdoor lighting is an effective way to protect state and local character, enhance visual safety, …

February 25, 2026

Remembering Dave Crawford, founder of DarkSky International

About

The world recently lost a visionary in David L. Crawford, founder of DarkSky International (formerly the International Dark-Sky Association).

July 31, 2024