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 ...

Optical illusions are making waves on the internet. Since these brain teasers force you to think with a fresh perspective, they are gaining traction. If you love viral optical illusions, we have one ...

The internet is buzzing once again with a new optical illusion which could leave even the most eagle-eyed viewers stumped. Amid the repeated maze of black, white and grey threads of the carpet, users ...

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 ...

It's not just humans who notice optical illusions; certain animals do too, and they often use it to their advantage. When you purchase through links on our site, we may earn an affiliate commission.

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 ...