With the new moon darkening the skies, you’ll have a rare shot at spotting the Milky Way, deep-sky galaxies, and even the ...

The night sky appears dark even though billions of stars exist in the Milky Way because the universe is finite and expanding. Dark energy stretches and dims light from distant stars, keeping much of ...

At night, after the sun sets and its scattered light diminishes, the sky gets darker. But does it get completely dark—that is, with absolutely no light coming from between the stars? Nope.

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.

Remember the first time you saw the stars in a truly dark sky? On a clear night away from the glow of city lights, the sky ...

In a 2023 survey of 634 visitors of nine International Dark Sky Parks, 61.8% of Utah's state and national park visitors participated in a night sky recreation activity.

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.

SEQUIM — International Dark Sky Week, billed as “a worldwide celebration of the dark and natural night” by Dark Sky International, will be celebrated today through April 28. During the past century, ...

A little more than 100 years ago anyone could walk outside at night, even in a city, and see the Milky Way arch across the night sky like a crystalline rainbow.

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.

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.