This optical illusion asks viewers to stare at a black X inside a blue circle without blinking. The idea is to tire out the ...

This trippy image appears to be a pigment enigma. Puzzle lovers are straining their brains over this optical illusion, which reportedly fools the viewer into thinking that they have gone colorblind.

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

This color illusion works by exploiting how your visual system handles color memory — stare at an image long enough and your retinal cells get fatigued, causing you to see phantom colors in a ...

Kate Bacon has a bachelor’s degree in integrative physiology. The science whiz shared that the color cyan is rarely seen because most screens can’t display it. One way to see true cyan is to use the ...

Discover 22 photos that accidentally created optical illusions. See how timing and perspective turned ordinary moments into ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

A new video from [Make Anything] shows off a nice combo that has a real visual impact: ambiguous shapes that look different depending on what angle they are viewed at, combined with an unusual ...