Have you ever wondered what sound a shark makes? Scientists at the University of Auckland in New Zealand believe they may have the first recording of a shark actively making noise. In a study ...

Sharks have long been believed to be silent, stalking their prey and wolfing them down without comment. They’re ruthless and efficient. But a team of marine biologists in New Zealand are challenging ...

Researchers conducted a global study of the factors that influence bird sounds, using more than 100,000 audio recordings from around the world. Birds make sounds to communicate, whether to find a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Sharks have a ...

Thanks to Jaws’ pulse-pounding theme, sharks are synonymous with a spine-chilling sound. In reality, they silently swim and scarf down prey without making a peep—until now, that is. These fish have ...