Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

Viewers were mesmerized by the striking scene in the viral clip, with one saying, "That's a view into an alternate reality." ...

The brain cannot fathom how an optical illusion can manifest in real life ... which includes the groundbreaking study of a square-circle visual paradox. Cylinders that originally appeared round ...

We have marked the hiding fish in a red circle for your ease ... More than just visual tricks, optical illusions are intriguing tools that test your perception and provide a variety of mental ...