Why does a machine gun sound mean it’s safe to cross the street? If you’re a pedestrian who has crossed with the “walk” light at a St. Paul intersection recently, there’s a good chance you’ve heard a ...

Have you ever noticed your cat making strange clicking or chirping sounds while staring out the window at birds? This quirky behavior is called chattering, and it's one of the most fascinating things ...

Cats are always trying to tell us something in what sounds like a kitty version of the language from The Sims. Animal behaviorists tell Inverse there’s a big distinction between a cat’s chirp — the ...

Sounds made by baby crocodiles while still inside the egg are not wasted. Both crocodile mothers and other unborn youngsters have a keen ear for the hatching calls, new research shows. Amelie Vergne ...