Flags are powerful symbols, representing the identity, history and values of nations. Among the most striking are those featuring an iconic blue and white flag design, a combination often associated ...

Let’s explore what NASA has discovered about the science behind the color of our sky. The white light originating from the ...

The sky appears blue due to the scattering of sunlight by atmospheric gas molecules. Shorter blue wavelengths scatter more than longer wavelengths like red, making the sky blue. Despite violet ...

it's important to first know why the sky appears blue in the first place. The sun emits white light, and due to Rayleigh scattering (the scattering of light by air molecules), blue light scatters ...