Illusion is derived from the Latin verb illudere, which means to mock or trick. Our brains tend to fill in the gaps in information the eyes receive, providing us with a sensory experience of the world ...

Optical illusions are mind-bending images that have become popular among netizens in the last decade. These challenges test your perception and visual skills, helping scientists understand how our ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

Micro or macro thinker? This simple optical illusion will tell you a lot about how your mind works.