A group of around 20 dolphins have been helping local fisherman with their yearly catch in Brazil.
It has been suggested that dolphins are so intelligent that they should have their own bill of rights.
A man who died during July 4th celebrations in Louisiana had his body brought to shore by dolphins.
Wild dolphins are learning to tail-walk and are teaching other dolphins how to do it too.
When two dolphin species interact they try to find a common language with which to communicate.
Dolphins are often considered to be gentle, intelligent creatures but a series of porpoise killings has revealed their darker side.
Dolphins have been declared to be the world's second most intelligent species, should they also be considered "people" ?
Seven-year-old Lucas Murray is completely blind but is nonetheless able to see through a type of echolocation, a techniq...
Scientists have found that dolphins are able to communicate with one another through the slapping of their tails in what...