An optical illusion is a visual deception puzzle which tricks the brain into perceiving or perception for something that is either not there or is distorted from reality. The phenomenon of brain ...

Have you ever looked at a picture and thought you saw something that wasn't really there? Or stared at an image and ...

Finding the hidden number in this zigzag optical illusion in under 21 seconds is a sign of above average vision. Take the test and find out what your eyes are capable of.

Last August Hinnerk Schulz-Hildebrandt noticed something strange while he was looking at a flight map on his phone. As his eye traced the plane’s flight path, he noticed that the line looked purple, ...

An optical illusion is dividing the internet over whether the picture is of pink slime or three forks laid out on a hot pink dish towel — and it’s making people’s brains hurt. Deemed as the “black and ...