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The night sky isn’t perfectly dark—instead it glows faintly, and the source isn’t exactly local By Phil Plait edited by Lee Billings Zodiacal light over Padar Island, Indonesia.

By mid-August, the Milky Way will be visible by 10 p.m. and be directly overhead by midnight –– perfect dark sky conditions for making this hazy band of stars pop.

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.

See the ocean’s glow-in-the-dark world on a fluorescent night dive. These kaleidoscopic swims help us better understand and protect our seas. Here’s why—and where—to try it.

The first dazzling images have been released from the National Science Foundation and Department of Energy’s Vera C. Rubin ...

The Aoraki Mackenzie International Dark Sky Reserve is the second-largest in the world. Located in New Zealand, it's an astrophotographer's paradise.

Yes, there are five planets — Mercury, Venus, Mars, Jupiter and Uranus — that are currently aligned in the Western sky. On Monday, Jupiter and Mercury will be a “finger-width at arm’s ...