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 ...

In today’s optical illusion challenge, viewers have to spot the little bird hiding in the wall of leaves in 15 seconds.

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

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 ...

Learn how the brain handles certain optical illusions, causing us to perceive shapes that don't actually exist.

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

At first sight, the picture looks like a peaceful forest with trees going up in the sky and leaves appear to be lush green.

This optical illusion will reveal if you are the sharpest out there. If you take pride in your observation skills, sharp ...

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

This viral hidden-object challenge has stumped puzzle lovers online, with only a handful of people being able to find the ...

An optical illusion is a type of visual puzzle that creates a misleading effect on our brain, leading to incorrect interpretations and misguiding our perception. This optical illusion generally occurs ...