If the sky is blue during the day ... When the Sun is low on the horizon, its light must pass through a thicker layer of the atmosphere. This extended journey scatters the shorter blue and ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Light breaks over the horizon at sunrise ... updates from The Weather Channel and our meteorologists. T he sky isn't just blue by chance. I t takes all the colors of the rainbow for us ...