Viewers are frazzling their brains over this seemingly innocent photograph of a gracefully stretching ballerina — which hides a highly sinister image. [Warning: Spoilers below] The illusion has ...

Maybe we watched too many horror movies as kids, or maybe it's just an evolutionary advantage to be wary of danger when it isn't necessarily there, but we can all remember that sudden feeling of ...

For Halloween, some makeup artists create optical illusion designs that warrant a double take. A popular method is using body paint to create the effect of negative space — making it appear that body ...

A "creepy" optical illusion has dumbfounded masses, with only the most "clever" able to unravel its mystery. Optical illusions - and similar images that contain a concealed detail - fascinate many ...