Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you can't always trust what your eyes are telling you.

Neuroscientists explain how optical illusions expose the brain’s shortcuts in processing reality, revealing how perception ...

How your eyes trick your mind Look closer at optical illusions, says Melissa Hogenboom, and they can reveal how you truly perceive reality.

Optical illusions are images where what you see differs from reality. These visual illusions often play tricks on your eyes, which makes you perceive something differently than it is.

The optical illusion going viral on Reddit challenges people to find 16 circles in a photo filled with rectangular panels.

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.

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of ...

At first glance, the image might look like just another picturesque landscape, but with a little attention to detail, you may ...

This optical trick works because your brain perceives the dot in the context of the outer ring. It was named after the Belgian philosopher and mathematician Joseph Remi Leopold Delboeuf (1831 ...

CLEVELAND, Ohio --Visitors will not believe their eyes when they walk through Cleveland’s new Museum of Illusions at 186 Euclid Avenue (The May Building). And they shouldn’t.