The Spinning Dancer is a classic example of a bistable perception illusion. These illusions present two equally valid interpretations, causing our brains to flip-flop between them.

This is an optical illusion sure to knock you off your high horse. An animated video of a moving pony is sparking fervent debate on social media, with viewers at war over the direction the animal ...

It’ll spin your head right round, right round. This head-spinning optical illusion will have you second guessing your own sanity. It shows two rotating rings made up of six ovals.

Spinning optical illusions are some of the most mind-boggling out there – as was proved by the amount of people that viewed that spinning horse optical illusion many years ago (it almost broke ...

Mind This optical illusion expands as you stare at it - and now we know why. Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

This mind-boggling optical illusion may baffle you, even after you learn that you didn’t see what you thought you did. Experimental psychologist Akiyoshi Kitaoka often amuses her Twitter ...

Once in a while, an optical illusion fools you in a such a sneaky way, it makes your eyes do something you’re not aware of.. Look at the image at the top of this story—a black hole surrounded ...

But not everyone is taken in by the illusion, so if you have no idea what’s going on in these images, you are not alone: 14 percent of participants in the study also did not report seeing it. Dr ...