If you’re a shark movie fan, you’ve probably watched more than one scene in which a shark roars as it attacks its prey. But according to shark expert Greg Skomal, such a sound is just Hollywood magic. Like most fish, sharks do not have vocal cords, so ...

On a drizzly day in Grünau im Almtal, Austria, a gaggle of greylag geese shared a peaceful moment on a grassy field near a stream. One goose, named Edes, was preening quietly; others were resting with their beaks pointed tailward, nestled into their feathers.

It’s the little fish that roared. One of the world’s smallest fish, measuring about half an inch long, can produce sounds as loud as fireworks or a jet engine, a new study says. Danionella cerebrum, a species of fish discovered only about three years ...