On a tranquil summer evening, just as the sun dips below the horizon and darkness begins to settle, an ethereal spectacle ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

Curious about whether the clouds you see mean sunny skies, roaring storms or a stunning sunset? Here’s your guide to the ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Come sunset, Wyoming dishes up horizon-to-horizon beauty in nearly every corner of the state, and these trails have some of the best front-row seats.

What are the world's best bridges? Those that capture the imagination, highlight engineering feats or simply make you stop in ...

Pink and red hues could light up the Bay Area sky Wednesday as scattered clouds provide ideal ingredients for a colorful sunrise and sunset. A meandering low-pressure system off the Central Coast will ...

Cold moonlight, golden sunset and shimmering waters are only three reasons to love Turner. On the 250th anniversary of his ...

In groundbreaking photos, eclipse chasers captured the elusive solar corona during a partially eclipsed sunrise/moonrise in Quebec. It could change eclipse chasing forever.

From abstraction to realism, and in two and three dimensions, these two gallery exhibits spotlight some of D.C.'s most ...

Six months after his dog’s death, a writer reflects on a life of adventures together — and looks ahead to his first summer without Edison in many years.