A girl is hidden in plain sight in this seaside viral rock photo, and Reddit users are stumped. Can you spot her?

The image presents a grid of black dots that initially appears simple. However, prolonged staring reveals an illusion where ...

Test your observation skills with this tricky optical illusion brain teaser. Find the hidden letter 'N' among the 'H' ...

Only 1% of people with eagle eyes can spot the number '993' in the number grid in 6 seconds. Can you crack the puzzle ...

Optical illusions use light, colour and patterns to cause a viewer to see something that's completely different to reality ...

Russian artist Mark Rox is gaining viral fame for his optical illusion murals in Barcelona. Here's how he creates 3D art that ...

An 'accidental' optical illusion has left many people scratching their heads as they attempt to find the hidden detail in the ...

The lip color that makes your teeth look whiter and this simple color theory trick creates the illusion of brighter teeth without expensive treatments.

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

The primer that makes pores completely disappear and this product creates flawless skin that looks naturally airbrushed ...

MOI in Delhi NCR provides a playful learning environment for children, featuring optical illusions and interactive exhibits ...