The city of Palo Alto is considering new rules to cut out light pollution and they could go so far as a 10 p.m. curfew on all ...

For Palo Alto's conservationists, the adoption of a "dark sky" law is a bright idea that is long overdue. But as the City ...

An ornithologist spent four decades tracking 40,000 bird deaths at a single building. His records paved the way to better ...

Are street lights and other skyglow sources affecting your astrophotography? We've rounded up the best light pollution filters for your camera, to help you take advantage of this month's new moon.

From the outside, a planetarium and an observatory might look a somewhat similar, but it's what's inside that counts.

The city of Palo Alto is considering new rules to cut out light pollution and they could go so far as a 10 p.m. curfew on all outdoor lights. Reportedly - 80% of Americans can't see the Milky Way ...

Right after launching, a bunch of satellites heading to join the megaconstellation looks like a string of moving stars going up in the sky. Within a week or so, they reach a higher elevation and are ...

Ultrafast electron imaging reveals never-before-seen nuclear motions in hydrocarbon molecules triggered by light. The ...