Social media users were perplexed by the scene in a viral clip, with one saying "my brain flatlined for a second there." ...

Optical illusion personality tests use psychology-based images to reveal a person's innermost thoughts based on what catches ...

Optical illusions challenge your brain’s pattern recognition and visual cortex, enhancing cognitive functions like ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 9 seconds, ...

This fun optical illusion tests your ability to focus! The cluster of related numbers conceals a number. Within 6 seconds, ...

Challenge your observational skills with this tricky optical illusion. Spotting the hidden mistake within 6 seconds is a test ...

I've seen my fair share of optical illusions, so nowadays it takes a lot to stump me but this baseball player optical ...

Test your IQ and observation skills with this mind-bending optical illusion challenge! Can you find the hidden number 24 ...

Artificial intelligences fail to identify optical illusions in images created by other AIs – so these images could form the ...

An 'optical illusion' kerb is still causing problems for pedestrians despite the council spending £11,000 to fix it. The cycle lane had been added to Castle Place in Belfast as part of an ...