Mind-boggling beauty abounds in photographs from around the globe submitted to this year's Milky Way Photographer of the Year ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

The scheme has not only resonated with environmentalists but also with tourists who see the merit in preserving Meghalaya’s ...

"What is a dark sky airport?" you ask. Here’s how the only U.S. commercial airport within a national park received the designation and what it means for stargazing among some of America's most ...