Stargazers across Europe saw a strange and mysterious blue spiral in the night sky that was likely caused by a SpaceX Falcon 9 rocket's launch.

The Magic Of Sunlight And Scattering To uncover the mystery of the sky’s blue hue, we first need to understand sunlight.Though it appears white to our eyes, sunlight is a blend of all the colors ...

Few plants are more celebrated in Egyptian mythology than the blue lotus, a stunning water lily that stars in some of ...