Optical illusions are great at testing your visual perception and seeing how your brain interprets visual context, subtle ...

Test your observation skills with this nature-themed optical illusion challenge. Spot all hidden tortoises camouflaged in ...

Challenge your vision with this mind-bending optical illusion! In a chaotic grid showcasing the number 34, two reversed ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. These optical illusions occur due to the brain's attempt to interpret complex ...

"WWE SmackDown" in Hershey saw Cody Rhodes and general manager Nick Aldis butting heads. A cut in the first round didn't stop ...

New York — At the Museum of Illusions in New York City, around every corner is a wonder for the eyes. There's a vase that's a face, art that moves with you, and a room that seems to go on forever.

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...

Lightness perception, the visual system’s ability to maintain a stable representation of surface reflectance despite varying illumination, has long intrigued researchers. Central to this field is the ...

A couple of years ago an optical illusion came along and almost broke our site. Over three million people read an article about the most dizzying illusion ever to grace our screens – the rotating ...