Test your perception with this optical illusion IQ challenge! Only the top 1% can spot the hidden heart among animal paws in ...

There are three main types of optical illusion: literal, cognitive, and physiological. Literal illusions are the result of combining smaller images to create one larger image. These are often created ...

Neuroscientists are zeroing in on how special kinds of brain cells help us see things that aren't actually there.

This viral optical illusion asks players to find the hidden word 'optical' in a grid full of 'uptical' within just 10 seconds ...

Political analyst Matthew Dowd has spoken out after he was fired from MSNBC due to his on-air comments relating to Charlie ...

Using lasers, researchers triggered optical illusion signals in mouse brains, uncovering how the brain fills in missing details in vision.

A new optical illusion on Reddit has taken over the feeds of puzzle lovers. Shared on the r/FindTheSniper page, the photo ...

An optical illusion of two people hugging on a beach has left the internet baffled - and it's all to do with how our brains ...

Only those with eagle eyes can spot the odd number in 5 seconds. Optical illusion: Find the toad. This optical illusion was ...

It looks like a perfect picture with nothing out of place, but a sneaky cat is hiding, almost invisible in the shadows. The ...

Only the sharpest eyes can spot the hidden cat in this viral Reddit optical illusion. Shared on r/FindTheSniper, the puzzle ...

Challenge your eyes and IQ with this underwater optical illusion! Spot the hidden Sea-Horse within 9 seconds in this ...