Can you sound out the truth behind how sound sounds underwater? Take this quiz and find out. The speed of sound in water is two times slower than that in air.

The National Oceanic and Atmospheric Administration website explains other sounds you could hear on coral reefs around the world, with examples. Find out more about life underwater and explore the ...

the challenges of portraying natural underwater soundscapes are many. Contrary to Cousteau’s notion of ‘the silent world’, the oceans are alive with sound. Much of it is the natural sounds ...

A common species of shark in New Zealand has been recorded making clicking sounds underwater. Researchers hypothesise that the noise comes from the spotted estuary smooth-hound forcefully snapping ...

Today, we know the answer is a resounding yes -- thanks to a bio-acoustic monitoring system that uses artificial intelligence (AI) to identify sounds in ... noise made by nature – is a measure ...

The sea is a symphony of sounds from whale song to the guttural ... did not intentionally make noise underwater. Some fish contract muscles to vibrate their swim bladder, a gas-filled body part ...

This clip shows how everything interacts. From whales to the tiny krill, we see them swim past each other in this colourful underwater paradise. This clip has no narration. This clip could be used ...

Scientists have made a shocking discovery as sharks have produced eerie sounds for the first time. Here's all you need to know.