People have been left scratching their heads after seeing a black and white image of a horse transform into colour in front ...

An optical illusion has left people stunned as it tricks their brains into seeing something else in the black and white image ...

Stare at this trippy optical illusion for just half a minute, and you'll start to see things that aren't really there.

An optical illusion has left people stunned as it tricks their brains into seeing a black and white image in full colour - ...

Dive into this brain-teasing optical illusion where numbers play tricks on your eyes. Can you spot the odd one out in the sea ...

Only geniuses can spot all 5 hidden cats in this Vintage Room Optical Illusion! Test your IQ, observation, and vision skills ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

A new online optical illusion challenges viewers to spot the hidden word 'hand' amidst a sea of 'hadn'. This visual puzzle ...

Nature has a mischievous side, and sometimes it loves to play tricks on our eyes. The world is full of illusions that look too strange to be real, yet they´re all natural or naturally captured. These ...

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 ...