SUNSET: 
Why We Look Up with Jennifer Willis
Let There Be Dark
Fighting light pollution, one mini star party at a time.
"Discover the Night" During International Dark Sky Week, April 15–22
Protect the night sky — join the International Dark-Sky Association for activities during International Dark-Sky Week.
Satellites and Space Debris Are Polluting Our Night Skies
Astronomers are sounding the alarm about low-Earth orbit satellites and space debris as significant contributors to light pollution that will affect even the remotest earthbound stargazer.
Satellite Trails Mar Hubble Images
An accounting of satellite streaks across two decades of Hubble Space Telescopes finds their appearance is increasing.
Light Pollution Is Increasing Even Faster Than We Realized
The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
Light Pollution Is Creeping Up on the World's Observatories
Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
What we know about Light Pollution – and What We Don’t
The International Dark-Sky Association’s has summarized more than 300 peer-reviewed studies on the effects of artificial light at night in an effort to help dark-sky advocates.
Celebrate Dark Skies This Week, April 22–30
Are you interested in combating light pollution? International Dark Sky Week, which starts today, offers events in which you can learn how.
Under One Sky: Let's Address Light Pollution Together
Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.
Streetlights to Satellites: Taking Light Pollution to the United Nations
The United Nations' Office of Outer Space Affairs is considering issues of light pollution spanning from streetlights to satellites.
Stargazer's Corner: Adventures Under the Night Sky
The Pandemic and Light Pollution
Student Kathryn Huth set out to conduct astronomical experiments when she noticed that — amidst the pandemic — she could see more stars in the sky.
Discover the Night: International Dark Sky Week is Here!
Light pollution is insidious in today’s world. This International Dark Sky Week, become inspired to see what you can do to raise awareness.
Under One Sky — Help Address Light Pollution
Do you care about protecting the night sky? Join the International Dark Sky Association’s virtual conference this weekend.
Astronomers Dim Street Lights to Home in on Light Pollution
Street lights contribute to light pollution, but they are far from the only culprits — and fixing street lights is far from the only solution.
The Lost LED Revolution: Light Pollution Is Increasing
The transition from sodium lights to LEDs, the so-called “lighting revolution”, was supposed to reduce energy consumption and bring back the starry sky, but new satellite data indicate it’s not working out that way.
Starry Success: Protecting the Night Sky Above La Palma
Ten years ago, La Palma was declared a "Starlight Reserve" and measures were implemented to protect its skies from light pollution. How did they work?
Measuring the Impacts of Light Pollution
Light pollution is pervasive, and its impact on people is larger than you might think.
AMA Addresses Light Pollution
The American Medical Association has released a report detailing several possible health concerns related to nighttime light exposure. But some lighting researchers worry the conclusions are more alarmist than is warranted.
111 Deep Sky Wonders for Light-Polluted Skies
Bright skies aren't empty skies. See for yourself how many treasures lie hidden in the glow of a city sky.
Will meteor showers be enchanced if you fly 3,000 feet above the ground in an airplane?
I recently got my pilot license. Will meteor showers be enhanced at all for my girlfriend and me in a low-winged Tomahawk airplane, flying 3,000 feet above the ground?There are several tradeoffs to consider. True, you’ll be 1 kilometer closer to the meteors overhead. But most of them flash into…
