The internet is a treasure trove of optical illusions, from the cognitive to the physiological, constantly proving that our ...

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 ...

Illusions go viral: From Reddit’s hidden-number spirals to the legendary duck-rabbit, optical illusions keep sparking debates ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

Recent studies are uncovering how optical illusions exploit the brain’s predictive coding system, revealing the interplay ...

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 ...

A new optical illusion has emerged, supposedly revealing a person’s personality trait based on what they see at first glance ...

A bizarre trick of the eye creating the illusion of an impossibly tiny waist on a Paris Olympics swimmer went viral, the second moment of the games that made viewers at home do a double-take. A video ...

Sometimes, the way you see things says more about you than you realize. That’s what makes an optical illusion personality ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...

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 ...