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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 ...

In 1997, NOAA researchers recorded a mysterious ultra-low-frequency noise so powerful it registered on sensors thousands of miles apart.

Shipping is one of the main sources of human-made sound in the ocean. Credit: Costfoto/NurPhoto via Getty Images In the early days of the pandemic, shipping activity around the world plummeted, ...

Wildlife documentaries like the BBC’s recent series, Planet Earth III, are renowned for offering breathtaking images of animals in their natural habitats. You’d be forgiven for thinking these shows ...

The rugged west coast of Scotland looks glorious in the sunshine. The turquoise sea is calm but even in July, it’s a chilly 12°C. Armed with my recording kit, snorkelling equipment and my thick ...

Our fascinating and magnificent planet is filled with countless different sounds of nature. While many of us experience nature's cacophony of sounds on land and in the sky and hearing them makes us ...

More than 80 percent of the world’s oceans remain unmapped and unobserved, according to NOAA. Since the 1990s, a network of hydrophones originally built to monitor nuclear weapons testing has picked ...