Mysterious, repeating sounds from the depths of the ocean can be terrifying to some, but in the 1980s, they presented a unique look at an underwater soundscape. In July 1982, researchers in New ...

For decades, researchers and submarine crews in icy waters off the coast of Antarctica have been picking up a mysterious quacking sound. The "bio-duck," as its called, has been heard on and off since ...

Rosie is a freelance writer living in London. She has covered everything from ancient Egyptian temples to exciting medical breakthroughs, but she particularly enjoys writing about wildlife, ...

In the '60s, submarines picked up a mysterious quacking sound in the Southern Ocean. This "bio-duck," as it came to be known, has been heard on and off ever since, but scientists haven't been able to ...