Light Pollution

How Could we Light our Cities and Still See the Night Sky?

The night sky is a part of humanity's natural heritage. Gazing up at the heavens is a unifying act, performed…

2 months ago

Light Pollution is Making it Harder for Animals to Find Their Way at Night

Ah, the majestic dung beetle. The pinnacle of evolution. In all seriousness, these little critters are incredibly sophisticated navigators who…

4 months ago

The Streetlights in an Entire County Were Swapped to LEDs. Light Pollution got Worse

“The best laid plans of mice and men often go awry” - this famous paraphrase of Scottish poet Robert Burns…

5 months ago

Astronomers Measure the Background Brightness of the Night sky Across the World. Canary Islands are the Darkest in the Survey

Being able to look up at a clear, dark sky is becoming more and more rare in the rich world. …

7 months ago

Satellites Have Brightened the Skies by About 10% Across the Entire Planet

New research has found that as the number of satellites in Earth orbit continues to increase, their accumulated light pollution…

8 months ago

Most light pollution isn’t coming from streetlights

Light pollution is the arch nemesis of astronomy, spoiling both the enjoyment of the night sky and the professional study…

1 year ago

Astronomers Have Some Serious Concerns About Starlink and Other Satellite Constellations

Picture the space around Earth filled with tens of thousands of communications satellites. That scenario is slowly coming into being,…

2 years ago

Here Comes the Next Satellite Constellation. OneWeb Launches 34 Satellites on Thursday

SpaceX has been garnering all the headlines when it comes to satellite constellations. Their Starlink system will eventually have thousands…

2 years ago

Oops, low energy LEDs are increasing light pollution

According to a new study by an international team of scientists, the widespread use of LED lights could be bad…

4 years ago

Stunning Astrophotos Reveal the Importance of Dark Skies

The World at Night's (TWAN) annual Earth & Sky photography contest showcases the stunning beauty of the night sky while…

9 years ago