Flagstaff became the International Dark Sky City in 2001, setting a worldwide precedent for saving the night sky. By Mason Carroll Published : Apr. 21, 2025 at 5:50 PM MST ...

In a world that's growing brighter by the year, one small gold rush town is working to keep its night dark and its skies full ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from, including world-class observatories and six Dark Sky parks.

City lights pollute the night sky. But there are still places to go for comets and stargazing. Dark sky parks and IDA-certified locations are the best places to view cosmic events. From Alaska to ...

The night sky isn’t perfectly dark—instead it ... Given that you can see stars and that the sky is black, ... but also, depending on where you live, illumination can come from city ...

This scale measures night sky brightness, going from 1 (excellent dark sky, typically seen in the most remote of areas) to 9 (inner-city sky). A Class 9 ... Black Hole at Heart of Milky Way Imaged ...

YPSILANTI, MI – Ypsilanti leaders are weighing measures to darken the city’s skies at night. Excessive lighting is wasteful economically and unnecessarily releases more carbon dioxide ...

A rare black moon will appear in the sky on December 30, making it a perfect night to go stargazing. Here's what you need to know.

The Geminid meteor shower is due to peak on December 13, but there's plenty of other celestial sights to feast your eyes on during the festive season.