Despite their name, killer whales (orcas) are actually dolphins.

Learn how changes in dolphin vocal frequency and duration may reveal engagement during training, feeding, and play.

Dolphins produce a range of vocalizations used for echolocation and communication. These vocalizations vary with social ...

The residents of Fanalei Island, in the Solomon Islands, say the lucrative hunts will help them buy land elsewhere and move off their sinking home. A pod of dolphins off the coast of South Malaita in ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...