For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of the ocean, puzzled scientists.

The clicking behaviour has been described in the new study as the first documented case of a shark deliberately making sound ...

Researchers are listening for right whales off the coast of Massachusetts with the help of two new high-tech buoys.

Whale songs can bounce off underwater objects ... helping the pod work as a team. Specific sounds may serve as calls to ...

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.

Read more about sperm whales: http://j.mp/sOSais Watch underwater footage of the mammal and hear its strange clicking sounds that are crucial to their survival ...

Recorded using underwater microphones, this cacophony can sound to our ears remarkably ... The sound is so loud, the snapping shrimp competes with much larger creatures, such as the blue whale, to be ...

Natural sound is an important part of any wildlife doc. It helps create atmosphere and a sense of place. But for the Blue Planet II sound team, the challenges of portraying natural underwater ...

Using underwater microphones and machine learning (ML), Cornell University researchers ... The team set out an array of marine autonomous recording units (MARU) across Cape Cod Bay to capture right ...

The Odyssey's ROV (Remotely Operated Vehicle) is a new addition to the tools scientists have aboard the vessel. View unique underwater perspectives from this device. View the sea from beneath the ...