This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns ...

For less terrifying optical illusion murals see these brilliant artworks made with a spray can. And if you want to continue ...

This mind-boggling optical illusion hides the number 593; can you find it in under 7 seconds? Optical illusion: Test your observation skills with this viral brain teaser that challenges even the ...

A mind-boggling optical illusion is testing viewers' observational skills, challenging them to find a hidden plane within a detailed landscape. The image, filled with houses, roads, and buildings ...

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

News Weird News Optical illusions Eerie optical illusion shows you are 'brave on the outside' if you spot one detail Optical illusions have a sneaky way of uncovering hidden parts of our ...

The optical illusion going viral on Reddit challenges people to find 16 circles in a photo filled with rectangular panels.

American psychologist Joseph Jastrow made this illusion in 1899 – to make a point about how the brain perceives what is in front of it.

A study found that radiologists who have years of training to ignore visual distractions were less susceptible to the Ebbinghaus illusion.

Challenge your perception with this mind-bending optical illusion! Hidden within a complex pattern are four cleverly disguised circles. Test your visual acuity and cognitive skills by attempting ...

A video about a woman who was left baffled by an optical illusion in the Japanese capital of Tokyo has gone viral on TikTok. The clip was shared by @niamhhogg7 and has garnered a million views ...