The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

And James Hardie has captured that perfectly with their newly announced Color of the Year: Evening Blue. This tranquil hue, inspired by the twilight sky, can completely transform your home into a ...

These stars appear in that order, as the twilight sky grows dark. This stellar trio is crossing the meridian at around 9 p.m. If you wait until around 2 a.m., the Triangle will have begun setting ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

Turrell adds architectural elements and additional colored light sources to enhance the perception of the morning and evening sky in his Twilight Epiphany Skyscape. Erected in 2012, this ...

Skywatchers across the southern hemisphere will witness Venus, Saturn, Jupiter, and Mars forming a stunning line-up in the twilight sky, accompanied by the bright stars Altair and Fomalhaut.