This optical illusion will test your brain's ability to zone out while looking at repetitive patterns. Can you find the ...

Test your observation skills with this rock-themed optical illusion that hides two big horn sheep in plain sight. This visual ...

Optical illusions are the tricksters of the puzzle world; they are designed in such a way that they fool our brains and eyes.

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

India, Jan. 21 -- This challenging problem is presented as an optical illusion to test how well and how quickly your eyes can ...

A hidden dog optical illusion shared on Reddit puzzled users.

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A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Ugh some optical illusions come along and ruin your day. Sometimes that's because they're too chilling for words and other times they're too hypnotic. But this one flat out just gave me a headache.

Get ready to put your mind to the test! This intricate optical puzzle features a grid filled with the number 181, cleverly concealing a sneaky 101 within. It's no surprise that many find themselves ...

Six years ago, when filmmaker Masaya Ishikawa was using Adobe Illustrator to craft digital materials for a video production, he started seeing strange shapes on his screen that shouldn't have been ...