Are you a bird watcher? Well, you should know that a bird that appears blue is actually colorless.
If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.
Clever cephalopods and colorblind camouflage champions---cuttlefish!
Your laundry is a mix of clothes of all different colors. Why, then, does the lint that collects in the lint tray always come out a bland gray?
The shift is gradual once the artist finishes, taking decades, or even centuries, but eventually colors fade, darken, or become more transparent over time.
With three simple ingredients, a red, a green, and a blue spotlight, you can make any color of the rainbow. Learn more on this Moment of Science.
What's the best thing about having a rocket-powered car? If you go fast enough, the red lights look green!
Unlike Saturn, which has actual, physical rings, the ring you can sometimes see around the moon is merely an optical illusion.