The issue of why cats meow -- along with many other questions -- is tackled in a new book called "The Cat's Meow." dpa/picture alliance via Getty Images What do cats mean when they meow?

Every cat has a unique voice, but once in a while, one comes along that truly makes you stop and ask, "What did I just hear?" ...

A study suggests that humans often misinterpret a pet’s signals; even purring doesn’t guarantee a contented cat. By Anthony Ham What is the meaning of a cat’s meow that grows louder and louder?

Languages: English and Italian. A cat named Spaghetti, who never learned to meow, has come up with his own special way to demand his owner's attention, and the internet can't cope with it.