Optical illusion personality tests are gaining popularity for revealing a person's thoughts and feelings based on what they first see in an image. Seeing a young woman indicates a logical and ...

Optical illusions are mind-stimulating brain ... we have a sneaky test for you! This visual illusion will test your sharp vision to the limit. The photo gives a serene setting of a sleeping ...

Believe it or not, we've seen a few optical illusions in space over the year. Well, we haven't seen them – the Hubble ...

Now, it’s time to test your perception with an intriguing optical illusion. A bear is hiding in this snowy scene, but only the most sharp-eyed individuals can find it in 5 seconds or less.

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

THIS mind-bending optical illusion can reveal a lot of your personality traits. Give this cracking brainteaser a go, and we'll tell you exactly what kind of person you are based on what you see first.

A mind-boggling optical illusion has tested the eyesight of internet users. Can you solve it? This optical illusion, featuring a hidden hippo in not-so-plain sight among the rhinos, has gone ...

Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn't exist or ...

Optical illusions have fascinated brain puzzle lovers across the globe, providing an intriguing challenge for the mind.

A woman watches an optical illusion at the Optikpark in Rathenow, eastern Germany (DDP/AFP via Getty Images) In the new research, scientists tested whether specific visual expertise and training ...

The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.