Readers’ photos celebrate sunrises and sunsets, when the light is the most pleasing. Fifty-one photos were sent in; here are ...

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...

You’ll see the beautiful sight ... degrees from the sun after sunset, appearing as high in the sky as it ever can—in relative darkness. An illustration of the landscape of Venus.