Dolphins and whales use sound to communicate, navigate and hunt. New research suggests that the collections of fatty tissue that enable toothed whales to do so may have evolved from their skull ...

In a new book called Why Whales Sing, Eduardo Mercado details his life's work to try and understand what whale songs are all about.

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Toothed whales – like dolphins and belugas – might live in the ocean, but they have some big things in common with cave-dwelling bats. They’re all mammals that live in dark places and use echolocation ...

A pod of bottlenose dolphins (Tursiops truncatus) swimming at the Las Cuevitas dive site in the Revillagigedo Archipelago. We typically imagine echolocation as “seeing” with sound—experiencing ...

Rescue Crew and Stranded Dolphins: IFAW personnel respond to common dolphins in Wellfleet, Mass., a global hotspot for mass strandings of dolphins. Partnerships and collaborations between researchers ...

Baby beluga whales are some of the most unique whales in the entire ocean. They have special adaptations that set them apart from other whale species. They also make incredible sounds that have ...

Project CETI is harnessing AI to understand the complex communication system of sperm whales. In a new study, the project's scientists used AI to decode thousands of sperm whale clicks. CETI founder ...

Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the jaw. Dolphins and whales use sound to communicate, ...