As the sun dipped low to the southwest of the Grand Canyon, tourists flocked to ... It hides our galaxy, the Milky Way, from four in every five people living in the U.S. It disrupts our circadian ...

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

Read Next: Grand Canyon Camping at Desert View Campground ... This unique property offers an exceptional view of the Milky Way Galaxy you won’t find anywhere else, and a telescope is provided ...