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.

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 ...

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 ...

Optical illusions always fascinate us, and the latest one to catch our eye is a true head-scratcher. At a quick glance, this image seems to be bursting with three separate colors. But take another ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. These levitating spheres may appear red, purple or green at first glance, but in actuality, all ...

A mind-boggling optical illusion has divided the internet after appearing to show a black-and-white picture of girls—in color. Optics, illusions, and basic science—these things all combine to trick ...

Curious images known as optical illusions prove seeing isn't always believing. Oct. 13, 2009— -- Look at an optical illusion and you may think you're seeing things -- such as a curved line that's ...

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 study of mice starts to unravel how the brain gets tricked by this kind of optical illusion, and it gives clues about how visual perception works. When you purchase through links on our site, we may ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...