People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

It turns out that one of the colors we see in the world every single day is actually just a pigment of our imagination — er, sorry, figment of our imagination. Scientists say it's a sort of collective ...

Thanks to a genetic manipulation, three color-blind mice recently gained the ability to see the world in the same hues as humans do. Mice and nonprimate mammals—much like color-blind people—see ...

While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from ...

Scientists have used a new lens to focus all the colors of the rainbow into one point. This is the first time a single lens has been used to focus the entire spectrum of light, including white light.

Imagine, right now, as you read these words, you're immersed in an unseen ocean of energy. Waves are zipping through your ...