The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

In this optical illusion picture, a penguin is hiding in plain sight. Do you have the most observant eyes that can spot the ...

Your choice of balcony view—ocean, city, or mountains—can reveal deep insights into your love life and career ambitions! This optical illusion personality test uncovers your hidden desires and ...

A seventh person is hiding in plain sight in the picture. Do you have the sharpest vision to spot the seventh person in 7 ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into ...

Brain teasers like today's rope challenge stimulate analytical reasoning and fluid intelligence. Identifying the correct rope ...

Our optical illusion personality test reveals hidden traits based on the alien planet that fascinates you most. Your choice ...

Optical illusions have long fascinated people, offering a unique way to challenge the brain while providing an element of fun ...

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

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

IQ tests are used to evaluate cognitive abilities like memory and logical reasoning. This IQ challenge involves identifying a false werewolf among three in a picture within three seconds. The fake ...

In a viral video, Mia Yilin explains how noticing a cloud or fish first in an optical illusion reflects your personality.