These occur when the brain combines elements of an image to create something that doesn’t exist. For example, an image might ...

We are back with another challenge, and this time it is a ‘find the difference one.’ Your observation abilities and focus ...

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.

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Here is another fun optical illusion for today - the surface of the photo shows dense water plants which blend with dry ...

Whether it is salt flats in Bolivia or rock formations in Arizona, nature never ceases to amaze.

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 ...