Bisbee is the 22nd dark sky place in Arizona, and among 155 in the U.S., ... In Arizona, he can chase the monsoon, capturing imposing clouds lit up by bolts of lightning.

The dark appearance of the clouds is influenced by where you are looking at them from. A pitch black sky often appears before a storm strikes. Here's what gives these clouds their dark appearance.

These could block the light from the more distant stars, keeping the sky dark. Sadly, this doesn’t work. Those clouds heat up from absorbing all that radiation and soon glow as brightly as any star.

The Dark Energy Camera captured detailed images of the Chamaeleon I dark cloud, the closest active star-forming region to Earth at about 500 light-years away.

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, ...

The morning sun is hidden behind clouds facing the East Foothills during sunrise at the Palo Alto Baylands. Photo by Veronica Weber. For Palo Alto’s conservationists, the adoption of a “dark ...

Utah has the highest concentration of dark sky places in the world. From Zion National Park to Goblin Valley State Park, these are the best places to stargaze in the state.