Optical illusions like the one at the top of the page may not actually be bright, but our brains — and now it seems our eyes — think they are. This radial sunburst illusion is known as the Asahi ...

All over the world, there are naturally occurring optical illusions that captivate spectators. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt ...

This optical illusion can reveal if you're someone people love being around, or if you're someone who has trouble trusting others. Mia Yilin/TikTok This optical illusion can reveal if you’re someone ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

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 ...

Warning: This “Stranger Things” optical illusion may haunt your dreams. The internet is freaking out over this “Stranger Things”-inspired optical illusion, which hides an image that might be scarier ...

Among the most striking sights is the sudden, electric flash of a blue jay darting through the canopy, or the sleek ...

Optical illusions do more than trick your eyes — they shine a light on how your brain builds the world and, by extension, on ...

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 ...

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 ...