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 ...

Makeup is generally used to enhance natural beauty, but sometimes people unleash their creativity with it in a very unique way. This makeup artist Mimi Choi has over 1.3 million followers on Instagram ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Sometimes things are not what they seem. They become poetic thanks to optical illusions. Have a look at this collection of ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

An optical illusion is dividing the internet over whether the picture is of pink slime or three forks laid out on a hot pink dish towel — and it’s making people’s brains hurt. Deemed as the “black and ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...