The illusion depicts a checkerboard with light and dark squares, partly shadowed by another object. You need to figure out whether square B is lighter or the same colour as that of A.

Believe it or not, there’s no bulge in this image. It’s just a plain old checkerboard with some plain old M&Ms placed strategically. But that’s not what your mind sees, is it? The bulge ...

While the illusion has been doing the rounds online since 2015, we're still none the wiser about the direction of the cat. See our pick of the best animal optical illusions for more animal ...

IF an observer views a piece of linoleum, or pavement, marked out as a checkerboard in light and dark squares, it is possible by causing the lines of vision of the two eyes to converge, that is ...

Variation in the light grey background checkerboard pattern results in different parts of the black circles appearing disfigured and skewed. ... The bumpy circle illusion: apparent shape-distortion of ...

Optical illusions are all over the internet, but we rarely get to see one appear right before our eyes. There are countless types of optical illusions, from the literal to the physiological, but ...

Mind This optical illusion expands as you stare at it - and now we know why. Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...