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 What ...

Sounds made by humpback whales as they passed through the ocean off Oahu, Hawaii, were captured on camera in recent days. Mark Healey, who recorded the mesmerising audio, said he could hear them when ...

Marine biologists and oceanographers are working together to investigate the death of two beaked whales off the coast of Baja California last month — the latest in a string of whale strandings and ...