SAVANNAH, Ga. (WSAV) — As we transition into fall and move closer to the winter months, you might start noticing something different when you look up. The sky appears a deeper, richer blue, but why ...

Ever wonder why the sky is blue on a clear day, but red when there are pollutants such as smoke in the air? Wildfire smoke fills the air with tiny particles. The particles, such as soot, ash, and ...

WASHINGTON — From crimson leaves to golden fields and coppery hills, Mother Nature is known to put on a show during the fall months. If you look up and notice a bluer-than-average sky, your eyes ...

When you take the sky and the ocean out of the equation, blue is surprisingly rare in nature. Less than one in ten plants have blue flowers, and it isn't common in animals, either. One reason is that ...