Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the ...

An optical illusion is a visual phenomenon in which our perception of an image differs from objective reality. This image is ...

The optical illusion appears to show two grey squares with different shades, but they are actually exactly the same colour.

A mind-bending optical illusion claims to be able to tell you what's in store for you in 2026 - and it's all based on the ...

Optical illusions thrive online because they play tricks on human perception. The brain often relies on familiar patterns and ...

The study of visual illusions in animals provides a compelling window into both the evolutionary continuity and diversity of perceptual processes. Research indicates that many species, from domestic ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of our observational skills.

Hidden letter and number optical illusions are fun because they look easy at first. But once the timer starts, the brain begins to struggle. This chal.

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 ...