If you're watching TV with your Christmas tree lights on and various other ornaments and decorations twinkling in the ...

The spread of light pollution is so fast that it offsets improvements achieved through advances in telescope technology. When you purchase through links on our site, we may earn an affiliate ...

This article was featured in One Great Story, New York’s reading recommendation newsletter. Sign up here to get it nightly. The lightbulb was flickering over my head. Not the idealized cartoon ...