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 ...

Since the 1960s, a strange, repetitious quacking noise called a “bio-duck,” which can frequently be heard in the Southern Ocean, has puzzled marine biologists and underwater acoustic experts. A 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 ...

QUESTION: Why do ducks quack? ANSWER: Braeleigh, I loved your question because even though I think about how animals act all the time, this was honestly something I had never thought about before! In ...