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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Dolphins are among the most playful and social animals on Earth, yet ...

Facial expressions are important for managing social interactions across a variety of species. In many animals including lemurs, dogs, gorillas, and sea lions, an open mouth smile-like display ...