Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

You’ve probably seen this mind-bending image before: a blurry black oval that seems to expand right before your eyes, as if ...

Take this optical illusion IQ test online! Spot the hidden piano among zebras in just 5 seconds. Test your observation skills ...

Look at the image above. Looks like you’re falling into it, doesn’t it? Like the darkness is approaching, threatening to ...

Test your IQ with this optical illusion picture! Spot two hidden faces in just 5 seconds in this challenging optical illusion ...

Are you ready for a fun, challenging test of your observational skills? Well, today's optical illusion presents the exciting puzzle that will put your focus and attention to detail to the ultimate ...

Optical illusion puzzles, popular recently, test mental agility by challenging observers to spot hidden objects. Today's puzzle involves finding a hidden number 79 within a grid of 76s.

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

A optical illusion challenged viewers to spot a hidden polar bear in a snowy landscape, testing observation skills with its tricky camouflage.

One user took to Reddit to share a photo that worked as an optical illusion, as the black animal in the photo could have been identified as a number of different animals. However the caption of ...