Optical illusions like the one at the top of the page may not actually be bright, but our brains — and now it seems our eyes — think they are. This radial sunburst illusion is known as the Asahi ...

Optical illusions are a great way to test your brain’s comprehension powers and the sharpness of your eyesight. These types of illusions usually feature a scene that seems normal at first sight, but ...

Optical illusions are more than just captivating images that trick the eye—they are windows into how our minds perceive the ...