also known as nacreous clouds. Robock said the sky colors and patterns in Munch's paintings match sunset colors better when nacreous clouds are present versus other scenarios. The study builds on ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

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

A new hypothesis holds that Munch may have been inspired to paint the masterpiece ... These unusual, nearly iridescent, clouds are best seen in wintertime at sunrise or sunset, when they are ...

A beautiful pink and orange sunset washed across the Washington, D.C., sky last night. Wispy, high-level cirrus clouds provided the perfect canvas for the sun’s fading rays. It was a stunning ...

LOOKS LIKE A PAINTING. DOESN’T LOOK LIKE IT’S REAL ... In the case of Monday after sunset, clouds towered thousands of feet into the air over western Iowa, casting shadows dozens of miles ...

Vibrant yet delicate hues of orange painted the sky, a thin veil of cloud cover soaking up the fiery tones. The dazzling sunset was also our earliest sunset of the year — arriving at 4:46 p.m ...