Add Yahoo as a preferred source to see more of our stories on Google. For dolphins, play can include acrobatics, surfing, playing with objects, chasing, and playfighting. These activities may appear ...

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 ...

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 ...

Dolphins living in captivity often make an open-mouth facial expression while playing with each other. Zoomarine, Italy Bottlenose dolphins “smile” at each other while playing, making open-mouth ...

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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 ...

A recent study out of Italy found that dolphins smile at each other while playing. The smile, which is actually more of an open-mouthed expression, was observed almost exclusively when dolphins were ...