A Reddit optical illusion showed a rocky hillside where a bighorn sheep was perfectly hidden, leaving viewers struggling to spot it.

The way your brain interprets this illusion may reveal whether you think outside the box or stick to the safe and familiar.

A forest optical illusion on r/FindTheSniper left Reddit users struggling to find a deer hidden among dried shrubs.

A Motion Optical Illusion is a type of optical illusion where a still image appears to be moving, even though there is no ...

A couple of years ago an optical illusion came along and almost broke our site. Over three million people read an article about the most dizzying illusion ever to grace our screens – the rotating ...

The Escher Loop optical illusion creates a staircase that appears endlessly climbable yet never reaches a higher point. Using ...

A viral optical illusion featuring overlapping leaves hides the number “47,” which most people miss at first glance. The ...

Think you’re sharper than most? This circle-based optical illusion is proving everyone wrong. A number is cleverly blended ...

Think you have the eyes of a detective? This fun optical illusion test hides one odd inverted number among many similar ...

Have you ever looked at something, only to realize it was something completely different? That’s the power of optical illusions: they trick our brain using color, light, and patterns. ‍ 勞 We’ve ...

The art of optical illusion has been an integral part of painting since antiquity when it was used as a yardstick by which to judge an artist's level of mastery. This book presents a fascinating ...