A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.

The cause of the strange blue spiral is actually a SpaceX Falcon 9 rocket that blasted off from Space Launch Complex 40 ...

The universe is full of phenomena that have seemed unexplainable to human beings, but only until science had an answer for it. One among those concepts is, “Why does the sky appear blue during the day ...

On hearing the word sky, a blue sheet appears in front of the eyes. But have you ever wondered why the sky is blue? And when everything looks black from space, why does the sky look blue from the ...

Palo Alto City Council member Greer Stone's regulation would target light pollution through nightly curfews and by requiring ...

If you compare it to a cloudless sky on a bright, sunny day, at most, it’s a cool gray color with a bare hint of blue. I went around my office and found everything with a sky blue hue, including last ...

The Boston Red Sox are wearing yellow and light blue jerseys. The jerseys stray from the traditional red and white color scheme for the club and is part of the City Connect program by the MLB. There ...