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Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

The Museum of Illusions opens today in Philadelphia, near Independence Mall. The relatively small space — about 5,000 square feet — features optical and spatial illusions designed to disrupt your eyes ...

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 ...

This trippy image appears to be a pigment enigma. Puzzle lovers are straining their brains over this optical illusion, which reportedly fools the viewer into thinking that they have gone colorblind.

The internet is a treasure trove of optical illusions, from the cognitive to the physiological, constantly proving that our ...

This mind-bending optical illusion is bound hurt your eyes and brain – can you see all the dots at the same time? The strange visual puzzle is frazzling people’s brains as it goes viral across social ...