This article was originally featured on The Conversation. For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light ...

Outdoor lighting for buildings, roads and advertising can help people see in the dark of night, but many astronomers are growing increasingly concerned that these lights could be blinding us to the ...

The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky. When you purchase through links on our site, we ...