If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.

The Adirondack region is taking steps to preserve its dark night skies, with a proposed bill aiming to reduce light pollution ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

The night sky in July a phenomenon that reminds skywatchers how remarkable it is just to be alive and to experience such ...

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.