How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...

Curious images known as optical illusions prove seeing isn't always believing. Oct. 13, 2009— -- Look at an optical illusion and you may think you're seeing things -- such as a curved line that's ...

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.

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 ...

Think of the Museum of Illusions at the Mall of America as a way to refresh your social media profiles. Snap selfies in front of colorful, trippy photos at this "edutainment" attraction, which ...

Today I learned that scientists study optical illusions. I always thought they were just for fun. A team of psychologists studied variations of this “expanding hole” illusion to determine what effects ...

Optical illusions like this one are not only entertaining but also a great way to train your brain. Next time you face a similar puzzle, remember this fun exercise and challenge your friends to find ...