Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Lisa Pringle This week, Morning Brief reader Collette wrote in to ask, "There may be blue sky, but what makes for ...

Visible light travels in electromagnetic waves, which we see as the colors of the rainbow. Different colors have different wavelengths of light. Violet and blue have the shortest wavelengths, whereas ...

Have you ever wondered why the sky is blue but sunsets turn red and orange? This short science video explains the real reason behind sky color changes in a simple and fun way. Sunlight contains many ...