Dolphins are extremely playful, but little is known about how they -- and other marine mammals -- communicate during playtime. New research shows that bottlenose dolphins (Tursiops truncates) use the ...

Dolphins are known for what appear to be big, contagious smiles. But do they actually, well, smile? The answer, according to a new study of dolphin play, is a resounding “maybe.” Dolphins use their ...

A group of Indo-Pacific bottlenose dolphins in Shark Bay, Western Australia. (Madison Miketa/Shark Bay Dolphin Project/National Science Foundation) (CN) — As one of the most intelligent animals in the ...

Dolphins are extremely playful, but little is known about how they—and other marine mammals—communicate during playtime. New research publishing October 2 in the Cell Press journal iScience shows that ...