An optical illusion has been circulating on TikTok that asks viewers to identify what they see first - a tiger or a monkey - ...

A reanalysis of a 1919 study suggests that a separate illusion, the "horizon effect," played a bigger role in warping visual ...

Optical illusions are cool because they hurt your brain but in a fun way. Unlike when my older brother used me to practice ...

Think you have sharp eyes? Here’s a fun challenge for you! Hidden among a sea of number 5s is a sneaky little number 3—can you spot it? This optical illusion is a real test of your observation skills.

This challenge is not for the faint of heart! A parrot is sneakily disguised in this mind-tricking optical illusion, and only ...

If a person hides their own hand and focuses on a rubber hand instead, they may perceive it as part of their own body under ...

THINK you have what it takes to prove you’re the ultimate puzzle solver? Well, there’s a new brainteaser designed only for ...

A tough riddle has left thousands of people scratching their heads as they try to work out the answer - but can you figure it ...

SPRING is almost here and what better way to celebrate than with a floral brainteaser? Test your IQ and your eyesight by trying to find the butterfly in this image. The insect seamlessly blends in ...

Prince William’s brand-new portrait just made me do a double take. This week, the Prince of Wales, 42, paid a visit to Mental ...

Optical illusions are fascinating because they can trick the brain into seeing something that isn’t really there or hiding something in plain sight. While some people enjoy solving them others might ...