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.

To celebrate International Dark Sky Week 2025, we've put together a list of 10 night sky objects visible over the coming days that showcase the majesty of the post-sunset realm. The majority of ...

Dark sky parks in all 50 states are the best places to watch space events and go stargazing. See meteors, comets, eclipses, and more in these spots.

In those units, 22 is a perfectly dark sky. You can be a dark sky sanctuary if your readings are 21.75 or higher. In the sanctuary, Summer Lake and Hart Mountain, the readings are all 21.77 to 21.8.

The 213-room Four Seasons Resort Lanai may be a five-star splurge, but for night-sky buffs interested in stargazing as well as authentic Native culture, it’s worth it.

Of course the sky is dark at night.” But that answer is wrong or, at best, incomplete, and the actual situation wasn’t obvious even to eminent scientists a century or so ago.

Using a measure of brightness called “magnitude per square arc-second,” the brightest, Monday-Night-Football night sky is about 16 mpsas, and the darkest sky, with zero light pollution, is 22.

In 2021, the sky got 5% darker, while in 2022 it got another 2% darker. A lot of this progress was made because the city of Alpine passed a dark sky friendly lighting ordinance in 2021.

Under Senate Bill 52, which was signed into law by former Gov. Steve Sisolak in 2021, a locally led “Dark Sky Designation” program was established to protect and enhance the state’s natural ...

Dark sky parks really shine a light (so to speak) on the night sky, allowing us to gather and gaze up at stars, planets, meteor showers, the northern lights and other wonders without obstruction ...