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

In 4 picture books, the ineffable weirdness and wisdom of cats Fickle little turncoats that they are, they’re still priceless: Caroline Luzzatto’s picks for kids.

A cat owner from Vermont has left internet users puzzled after sharing a picture of her rag-doll cat sleeping in an odd ...

Visual illusions reveal how our brains create perceptions from limited information. In times of missing details, our brain ...