The distinctive seaborne mammal delighted passengers aboard a whale-watching vessel last month.
Scientists have strapped cameras onto US Navy dolphins in a bid to capture first-person footage of their activities.
According to reports, Margaret Thatcher's government once planned to use trained dolphins to hunt the Loch Ness Monster.
Photographer Patrick Coyne has captured incredible footage of dolphins swimming in bioluminescent waters.
New research has revealed that the Neanderthals were no stranger to catching and eating sea creatures.
Recently released images show how the US Navy transports its squad of special mine-sniffing dolphins.
It turns out that there is a possibility, albeit a small one, that Iran's Navy includes trained dolphin assassins.
Originally spotted last year, this unusual animal has since been confirmed to be a genuine cross-breed.
A recent study aimed to find out how marine park dolphins actually felt about their life in captivity.
Scientists have linked the brain size of cetaceans to the 'human-like' nature of their social behaviors.
Scientists have identified an extinct species of mini-dolphin that lived over 30 million years ago.
The Mexican government is hoping to use specially trained dolphins to save the vaquita porpoise.
Wildlife officials are investigating reports of a dolphin that was spotted wearing some sort of garment.
Chinese conservationists believe that they have spotted an extinct dolphin species in the Yangtze river.
For the first time, a conversation between two dolphins has been recorded using a special microphone.
The previously unidentified species would have thrived in sub-arctic marine waters 25 million years ago.
A defense ministry tender published online this week has called for five dolphins with 'perfect teeth'.
The Risso's dolphin calf was spotted alongside its mother by whale watchers off the coast of California.
The fossilized remains of a large dolphin-like creature have been found on the Isle of Skye.
Not all dolphins adhere to the species' friendly reputation as one man found out last month in Ireland.