Latest photo challenge calls on readers to send in their best photos of their own choosing. Here's how to enter.

Earth and space mingle in stunning ways for the 2025 Milky Way Photographer of the Year contest. From the “geological masterpiece” of Coyote Buttes, Utah to the sandstone terrain of desolate Ennedi, ...

Stacking software can align and combine the sky exposures into one bright, high-contrast image; the photographer then replaces the sky in the foreground frame with the stacked sky frame.