Our pick of the best optical illusions of all time will leave you amazed and confused in equal measure.

It’s a perfect take on the classic trompe-l’œil.

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 ...

A new artificial intelligence (AI) system can mimic how people interpret complex optical illusions for the first time, thanks to principles borrowed from the laws of quantum mechanics. Computer vision ...

Have you ever looked at something, only to realize it was something completely different? That's the power of optical illusions: they trick our brain using color, light, and patterns.😵‍💫 🤯 We've ...

Have you ever looked at two circles of exactly the same size and sworn one was larger? If so, your eyes have been tricked by the Ebbinghaus illusion, a classic example of how context can shape what we ...

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 ...