A new discovery has unraveled why we sometimes see colors that aren't there. The phenomenon of "color afterimages" is when you see illusory—or false—colors after staring at real colors for a longer ...

UC Berkeley scientists tricked the eye into seeing "the greenest green" they'd ever seen. They say it could transform how we understand and treat eye diseases, and expand the way we see the world ...

HOUSTON – Being colorblind affects at least one in 12 men, one in 200 women. This means several hundred thousand Houstonians don’t see like the rest of us. Colorblindness is typically something people ...