A new optical illusion is going viral online, forcing people to put on their thinking caps to solve the puzzle. It shows three straight horizontal lines stacked vertically and asks a basic question: ...

Five years ago we published an optical illusion that millions of you were completely bamboozled by, and today I've found a brand-new version of that illusion. Of course, I'm referring to the rotating ...

This optical illusion of "giant lamps" is short-circuiting people's brains with some puzzle fans claiming they've been staring at it like "idiots" without any lightbulbs going off. codeyqueen / Reddit ...

Optical illusions have a special way of playing with the mind. They take something as simple as numbers or patterns and twist them just enough to confuse the eyes. This brain teaser is one such ...

From the cigar nestled in the brickwork to 'The Dress', many optical illusions have left viewers around the world baffled over the years. But the latest illusion is arguably one of the most bizarre ...

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 ...

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 ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. These optical illusions occur due to the brain's attempt to interpret complex ...