Featuring a blurry image of abstract yellows, oranges, purples and blues, this optical illusion appears pretty plain. It's ...

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 ...

Optical illusions are not just fun internet games. These visual illusions are a fantastic way to test your eyesight and ...

(WHTM) — There’s nothing like a bewildering optical illusion to get the weekend off to a good start. There are all kinds to choose from: the image that looks like one thing but also looks like another ...

An optical illusion is a fascinating visual trick that deceives the brain into seeing something different from reality. These illusions occur when the information our eyes send to the brain is ...

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 ...

Look closely at this picture. At first glance, you can see a big tortoise in the centre of the image. But look closer, and ...

Get your eye out of the gutter. Puzzle lovers are blushing over this NSFW optical illusion, which reportedly reveals how sex-obsessed people are based on what they see. The scandalous image has been ...

This type of illusion is called the The Troxler Effect, and was developed by physician Ignaz Paul Vital Troxler in 1804. It reveals that everything exists in reality, although our perception makes ...

Optical illusions play on the brain's biases, tricking it into perceiving images differently than how they really are. And now, in mice, scientists have harnessed an optical illusion to reveal hidden ...

An optical illusion claiming to show either a fish or a mermaid is having a viral moment on Twitter, but there’s more to the post than meets the eye. People love to be right in public places, which ...