Look closely at this picture. At first glance, you can see a big tortoise in the centre of the image. But look closer, and ...

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 ...

Visual perception of motion and its accompanying illusions has long fascinated neuroscientists and psychologists alike. This research field examines how the brain compensates for inherent neural ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

The op-art loving side of the internet has developed a new obsession – the reverspective optical illusion. Taking Reddit by ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess with the brain's visual processing system, making viewers see things ...

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.

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

Psychologists have long been interested in how people interpret ambiguous, bistable images, such as the examples below. Bistable images. Top left: faces or a vase. Top right: rabbit or duck. Bottom ...

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

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

Test your focus with this viral optical illusion! Can you find the number 87 hidden among the 78s? Boost your brain power with this 7-second visual challenge now!