These wallpapers are not just images ... Beachside Bliss Feel the calming waves and sandy shores as the sunset paints the sky and reflects on the waters.

Do you ever find yourself staring at the sky, completely caught off guard by how beautiful it looks? Some sunsets have a way ...

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

And because blue wavelengths are the shortest, they get scattered more, resulting in a blue sky. During a sunset, however, light scattering works differently. The sun’s light has a lot further ...

Launches just after sunset and before sunrise usually provide the best views as the rocket reflects the sun's rays with a dark sky in the background. SpaceX has a Starlink constellation of ...

NASA's Mars Exploration Rover Spirit captured this stunning view as the sun sank below the rim of Gusev crater on Mars.

Terri Dill-Simpson Friday night's special sunset view from Tetherow Crossing ... Friday evening in Redmond Katharine Baker Sunset sky ablaze with color during Friday night's Chris Stapleton ...