The universe is full of phenomena that have seemed unexplainable to human beings, but only until science had an answer for it ...

Sometimes the light runs right into one of them. In short, the sky looks blue because the blue portion of sunlight is much more likely to bounce off the molecules in the atmosphere than the ...

Greg Foot discovers why the sky is blue. He explains that outside the Earth’s atmosphere space looks black, but from the Earth’s surface the sky looks blue. He investigates this effect by ...