Optical illusions are interesting images that challenge our minds, inviting us to solve a puzzle and find what is hidden.And ...

This optical illusion by artist Oleg Shupliak features a sketch of a woman, but there are actually four women hidden in plain sight – but good luck finding them all!

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.

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It’s like putting on ugly goggles. Puzzle lovers are getting the heebie-jeebies over this “freaky optical illusion,” which makes people’s faces look hideously distorted. A now-viral video detailing ...

An eye-catching optical illusion that has started doing the rounds on the internet. It features several dozen bees, which ...

Optical illusions are tricky little things. Often they can leave us scratching our heads, trying to figure out how the illusion is tricking our eyes and our brain. One type of illusion, known as a ...

Optical illusions are great fun, and they fool virtually everyone. But have you ever wondered if you could train yourself to unsee these illusions? Our latest research suggests that you can. Optical ...

Architects and artists have clever ways of confusing your eyes and creating optical illusions with their building designs.

Elon Musk is on top of the world after Twitter accepted his $44 billion buyout offer on Monday. But the Tesla founder, 50, appears upside down in a new optical illusion that highlights how easy it is ...

Medical imaging experts are adept at solving common optical illusions, according to research from four UK universities, including the University of East Anglia. The correct analysis of medical images ...