An all-new viral optical illusion on Reddit has left hundreds of people scratching their heads. At first glance, you will see ...

A new Halloween-themed optical illusion has gone viral on Reddit, forcing players to sharpen their observation skills.

Do animals see illusions like we do? A study tests guppies and doves to find out how different species process visual tricks.

Take a look at the pictures given below, the images look pretty much the same. However, despite their similar looks, there ...

Prior research has produced mixed results on the question of animals and their susceptibility to optical illusions, per the ...

Scientists tested two species against each other to see which was more likely to fall for an optical illusion.

An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...