Dr. Dean Jackson, a biologist and BBC presenter, shared a puzzling image on TikTok of an alleged optical illusion, claiming ...

Only 1 in 10 people are able to spot the bear in this viral visual challenge. Find out whether you are one of them or not.

You certainly have a high IQ and 20/20 eyesight if you can spot the word 'Last' in the image within 10 seconds.

Optical illusion challenges have taken over the internet, testing how easily our eyes and brains can be fooled. From shifting ...

This swirling optical illusion promises to reveal if you’re more introverted or extroverted, based on whether your brain ...

The four bunnies occupy different spots in the optical illusion. Zoom in on the photo and take a good look at the concrete ...

The overall winner of Best Illusion of the Year was The Static Spin by Saleeta Qadir and Bernhard Egger of Germany. The ...

Social media users were confused after watching footage of the movements of Alesia Willard's horse, as no one can decide what ...

This viral emoji optical illusion challenges you to spot the angry face hidden among dozens of emojis in just six seconds.

This optical illusion challenges viewers to spot the word "Ball" hidden amongst numerous repetitions of the word "Bell" ...

This brain-frazzling optical illusion is enough to put your head into a spin. The purple-and-yellow image looks as though it’s both three-dimensional and moving but is in fact stationary and flat.