The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple ...

We finally got a full-color view of Pluto’s skies—and they look awfully familiar. NASA just released its first color view of those planetary hazes they’ve been so curious about. And ...

One of the first questions ... and a blue sky is inevitable. Here's how it all comes together. Sunlight is made up of all the different colors of light... and then some! The photosphere of our ...

Called a cyanometer, it is a colour wheel featuring 53 different colours for the observer to compare to the sky. If you skywatch at dusk, you’ll see a brilliant display of colour that captures ...

On a bright, clear day, the sky stretches above us in a brilliant ... Sunlight, though appearing white, is actually a mixture of different colors, each with its own wavelength.

That was the debate in 1976 when NASA's Viking 1 lander became the first ... or was it a sky of a different color? The first pictures to be sent back showed an Earthlike blue sky, leading some ...

Why is the sky blue? It's a common question ... similar to the way one billiard ball can collide with another, making them go off in different directions. The main form of atmospheric scattering ...

Called a cyanometer, it is a color wheel featuring 53 different colors for the observer to compare to the sky. If you skywatch at dusk, you'll see a brilliant display of color that captures ...