Off the coast of Dominica, a small Caribbean island nation, researchers have spent years lowering hydrophones into deep water ...

The sound is sharp, spare and strange, a burst of clicks cutting through seawater. For years, researchers treated those sperm ...

A new report from scientists at Project CETI demonstrates that the noises that sperm whales make to communicate with each other contain what humans would describe as vowels.

Project CETI, you may recall, is the same group that recently released footage showing adult sperm whales collaborating as ...