A few years ago, scuba diver Jim Ryan and fellow divers were exploring the underwater world when a high-pitched noise stunned them.

NOAA Ocean Exploration cruise uses multi-sonar beams to map an area of the Pacific Ocean's seafloor and ends up detecting a ...

Ocean researchers have recorded unidentified "quack" sounds in the sea for years. Credit: Mayehem / Getty Images Both scientists and sailors alike have recorded unique, strange noises in the ocean for ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

PROVIDENCE — CEO Kim Gavin’s company, BLUEiQ, specializes in what’s called underwater sensing, using sound to study marine life, map the sea floor, or identify underwater objects or vehicles. Gavin ...