One of the first questions a curious child often asks about the natural world is "why is the sky blue?" Yet despite how widespread this question is, there are many misconceptions and incorrect answers ...

Why is the sky blue? It's a common question asked by children, and the simple answer is that blue light is scattered by our atmosphere more than red light, hence the blue sky. That's basically true, ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the nature ...