Our pick of the best optical illusions of all time will leave you amazed and confused in equal measure. Optical illusions come in many forms, from horses and tigers to moving shapes and floating ...

In today’s optical illusion challenge, only 1% of people with sharp vision can spot the hidden number '99' among a sea of '96 ...

Have you ever looked at a picture for a couple of seconds, only to discover there's more to it than you see? Optical ...

Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

Optical illusions have always fascinated humans, challenging our perception and revealing how our brains interpret visual information. This article pr ...

According to current theories of expertise, this shouldn’t happen. Becoming an expert in chess, for example, makes you better ...

THINK you’ve got yourself all figured out? This clever optical illusion might just make you reconsider. The tricky brain teaser shows what appears to be a face in sea of blue. If you saw the ...

We've puzzled over zebras, Pokemon, and of course the infamous blue dress (or gold, depending who you ask). So this simple counting challenge looks like a peice of cake in comparison. But is it?

Optical illusions continue to capture public interest because they highlight the fascinating way the brain interprets images. These puzzles play with light, shadow, patterns, and depth perception ...

THINK you’ve got yourself all figured out? This clever optical illusion might just make you reconsider. The tricky brain ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not ...