Optical illusions to find the hidden objects and numbers are effective at revealing your brainpower and visual IQ. How sharp ...

Here is an optical illusion challenge that will test your visual processing speed, attention to detail, and focus. There is a number 739 hidden among the pool of 789s, and your challenge is to spot ...

Join Josh, Gabbie, and Oli from the Jolly series as they react to mind-bending optical illusions and visual puzzles! Watch ...

Look at this optical illusion picture. Three happy girls stand together holding hands. They are wearing white headcovers, ...

A hidden dog optical illusion shared on Reddit puzzled users.

CLEVELAND, Ohio — With National Puzzle Day coming up on Jan. 29, Clevelanders have the perfect excuse to give their brains a ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the same illusions.