The sky has always been a canvas for nature’s artistry, often leaving us in awe with its myriad hues. From the soft pastels ...

Each color corresponds to light waves of different ... Artists have sought to capture the perfect blue of a summer sky or the fiery red of a sunset. The scientific explanation of why the sky ...

Of course, no star actually shines green, but some people nonetheless view certain stars as having this color due ... in the western sky for nearly three hours after sunset. Half an hour after ...

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