The number of satellites in orbit, especially in low-Earth orbit, has massively increased in the last decade. This has ...

Light streaks caused by passing satellites mar images taken by the world's most expensive telescopes. The problem is set to ...

Teensy spaces can still pack a big aesthetic wallop, if you play your paint cards right. Just ask Coco Chanel, whose intimate ...

We more safely roam city streets after dark. The city of Las Vegas dumps an enormous amount of light into its environment, turning the night sky above into a seemingly blank canvas. Photograph by ...