A viral optical illusion featuring a swirling circle has sparked fierce debate online, with people divided over what hidden ...

Before jumping on in we have one question on our minds: what is an optical illusion? Optical illusions are visuals that tend to be deceptive to the eye and brain. This is based on numerous factors ...

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 ...

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 ...

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An optical illusion has left people divided over the hidden numbers within the puzzle. The image is a circle containing ...

Can you see through the camel-flage? Another day another wildlife safari for the eyes: In this animal-based optical illusion, viewers are challenged to spot the camel within the spectrum of colors.

Geometric patterns have been used in art for centuries. They can be seen in the world’s greatest artworks, from Francisco José de Goya to Andy Warhol. “Geometric drawing is fun and rewarding,” says ...

A viral optical illusion challenges viewers to spot a tiger hidden among running zebras within 10 seconds. The puzzle tests ...

A few years ago, a memorizing and very chaotic image popped up on the subreddit Interesting As F***. Given that this is Reddit we’re speaking of, this picture could have been anything. But it’s just ...