Researchers long believed sharks to be silent animals based on their anatomy, but unprecedented evidence shows the rig shark ...

Sharks have a reputation for being silent killers — the top ocean predators are stealthy hunters, but they also lack sound-producing organs found in many other fish. Now, a groundbreaking new study ...

Clicklike noises made by a small species of shark represent the first instance of a shark actively producing sound ...

Researchers are listening for right whales off the coast of Massachusetts with the help of two new high-tech buoys.