When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: FOTOKITA via Getty Images I'll start with a warning. If you're easily spooked then this ...

Warning: This “Stranger Things” optical illusion may haunt your dreams. The internet is freaking out over this “Stranger Things”-inspired optical illusion, which hides an image that might be scarier ...

An optical illusion is a fascinating visual phenomenon where the brain perceives an image differently from reality. These illusions play tricks on our eyes, making objects appear distorted, moving, or ...

What Is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Check out some of these optical illusions, below — and see how you perceive images placed before your eyes. Just how do optical illusions work? "From an evolutionary standpoint, optical illusion is ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...