While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

The final image of MOMIX’s “ALICE” earned a standing ovation, closing an evening of spectacle and dance.  From April 24 to 25 ...

These three optical illusions seem to exist in a parallel universe in this viral video. "You didn't beat the gravity you just beat my brain," wrote one baffled TikTok commenter. These mental litmus ...

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 ...

Recent studies are uncovering how optical illusions exploit the brain’s predictive coding system, revealing the interplay ...

Why people perceive motion in some static images has mystified not only those who view these optical illusions but neuroscientists who have tried to explain the phenomenon. Now Yale neuroscientists ...

Say you're staring at the image of a small circle in the center of a larger circle: The larger one looks green, but the smaller one appears gray. Except your friend looks at the same image and sees ...

Museum of Illusions at Mall of America is a fun attraction in Bloomington, Minnesota. It’s fun for both kids and adults and a ...

Getting your Trinity Audio player ready... What’s more romantic than tripping out after dinner and drinks? Nothing, apparently. The Valentine’s Day couples who wandered, mouths agape, around Denver’s ...