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.

Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion.

Have you ever looked at two circles of exactly the same size and sworn one was larger? If so, your eyes have been tricked by ...

A new study reveals guppies are easily tricked by optical illusions, while ring doves see clearly, highlighting differences ...

For centuries, we’ve tried to understand what makes us aware. Is consciousness just the brain firing signals – or something ...

At moonrise and moonset, the moon illusion is in effect, making the beaver moon appear even larger. The moon illusion is when a supermoon is low in the sky, giving sky gazers the best chance to ...

The illusion makes clever use of colour theory, demonstrating how our brains perceive colours differently against certain ...