Sharks may not be the sharp-toothed silent type after all. The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” ...

Have you ever wondered what sound a shark makes? Scientists at the University of Auckland in New Zealand believe they may have the first recording of a shark actively making noise. In a study ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise. By Yan Zhuang Dolphins whistle. Whales sing. Fish croak, chirp, grunt, hum and growl.

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