George Poulos does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

All through history, sharks have maintained a reputation as silent hunters. In documentaries, blockbuster feature films and even among experts, it has widely been held that the top predators simply ...

Researchers believe the sounds are made by the sharks snapping their flattened teeth together, possibly as a stress or warning signal. This discovery challenges the long-held belief that sharks are ...