Protect the night sky — join the International Dark-Sky Association for activities during International Dark-Sky Week.
The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
The imminent launch of a BlueWalker satellite, with a giant phased array antenna, portends a brightening night sky. Amateur astronomers can help record these changes with the goal of mitigating them.
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.
Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.
The city's parks, facilities, and streetlights will all get dark-sky-friendly lighting, but is it too early for amateur astronomers to get excited?
Student Kathryn Huth set out to conduct astronomical experiments when she noticed that — amidst the pandemic — she could see more stars in the sky.
Light pollution is insidious in today’s world. This International Dark Sky Week, become inspired to see what you can do to raise awareness.
Stunning images of the night remind us why we need to protect dark skies. See the photos that won the International Dark-sky Association's contest.
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?