Optical illusions are one of the most popular games online. As these brain teasers help one think outside the box, thousands of people around the world have made viral optical illusions their favorite ...

Optical illusions are the latest obsession on the internet. Thousands of people who prefer challenges that improve concentration have made these viral brain teasers a favorite pastime. Do you like to ...

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 ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

Optical illusions are great fun, and they fool virtually everyone. But have you ever wondered if you could train yourself to unsee these illusions? Our latest research suggests that you can. Optical ...

Feed-perfect illusion rooms, puzzling hands-on interactive installations, perplexing holograms and optical tricks are just a few of the more than 50 attractions the Dallas Museum of Illusions has ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...