In this image where every row and column is filled with the letter F, you have to find an odd letter. Optical illusions, like ...

The X user has asked others to spot the number '993' among the sea of '998'. It might appear simple to many, but the key here ...

This viral optical illusion challenges you to spot 54 and 55 hidden among 45s, and you have just a few seconds to solve it.

There's something neat that happens when the full moon is closer to the horizon, and we call it the "moon illusion." ...

A brain teaser featuring a camouflaged cat in a closet image captivated users and tested their observation skills.

Explore the fascinating world of optical illusions with the Coffer illusion, which challenges your perception of reality and ...

This optical illusion challenges you to find a hidden number 7 among 2s, 8s, and 28s—testing your focus, patience, and visual ...

The clip was originally taken in August 2024 at a hospital in Chengdu. The clip shows seven suns lined up in a brightly-lit ...

An optical illusion, shared on TikTok, has left viewers baffled after it claimed to be able to determine a person's 'strength' based on what animals they saw first ...

An optical illusion has been shared on Reddit that is so needlessly creepy it made me shiver. The illusion itself is ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of ...