Uncover the mystery of deep ocean sounds that remain unexplained. What secrets lie beneath, and what could be making these ...

A mysterious sound heard booming from deep under the ocean waves has finally been traced to a fascinating source. First ...

Just as there’s hardly a mountaintop free from the roar of airplanes overhead, there’s virtually no place in the world’s oceans where human sounds aren’t detectable. The loudest and most disruptive ...

Sonar systems, which use sound waves to navigate and map the ocean, are particularly loud and disruptive to marine life. Airguns are one of the loudest offenders. Deployed to search the ocean ...

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Ocean scientists around the world are studying the "unique moment" of quiet created by the pandemic. The researchers have called their vast listening experiment: The year of the quiet ocean.

LFA sonar is a type of long-range surveillance sonar that saturates thousands of cubic miles of ocean with sound. Frequencies commonly used by sonar systems range from around 0.1 to 10 kHz, with ...