ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always ...

OHIO, USA — Have you ever looked up on a summer day and noticed the sky seems dull or milky instead of its usual bright blue? That haziness isn't just your imagination. In fact, there's real science ...

It’s a common myth that the sea reflects its colour onto the sky. In truth, it’s the other way around. The ocean looks blue ...

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 ...