A decently dark site in a rural area has a sky background of about 21 mag/arcsec 2. In the Rocky Mountains in Colorado I’ve been to sites a bit darker than this, and it’s truly spectacular.

Embracing the dark side: Starry sky is a bright spot in Nevada's economy A photo provided by the National Park Service shows the Milky Way as seen from Cape Royal on the North Rim of the Grand Canyon.

The International Dark-Sky Association (IDA) is working to preserve the night sky. Here's a look at its 21 certified dark sky reserves around the world.

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has fended off the light glow that washes out starry nights.

9 of the best dark sky destinations 1. North York Moors, England. This designated Dark Sky Reserve is an easy-to-reach spot to see England’s starry skies — visit during one of its two annual ...