As winter deepens across the Northern Hemisphere, the constellation Orion takes center stage in the night sky. On the evening ...

Astrophotography often misrepresents the naked-eye appearance of celestial colors, as cameras capture saturated colors unattainable by human vision due to limitations in photoreceptor sensitivity. The ...

THE blue color of the sky on a clear day is familiar to all. And yet how many have considered the source of this delicate mantle of azure which Nature spreads over the dome of the heavens? The ...

The blue color of the daytime sky results from Rayleigh scattering, where atmospheric atoms and molecules preferentially scatter the blue wavelengths of sunlight more than red, rather than being the ...

Feeling blue? That color isn't as common as you may think. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When you look up at the blue sky ...

Blue is the color of the ocean and the sky, and considering blue's color symbolism, it makes sense why this color is associated with calmness. In fact, one survey found that blue is a favorite color ...

This gorgeous eight-hour exposure reveals the colors of stars as they make their way across the night sky, colors that can inform astronomers about the characteristics of each star. When you purchase ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Daniel Brown, Lecturer in Astronomy, Nottingham Trent ...