There's a sun and a moon: were they spotted in the day or night? There's an image of a live dolphin and a dead dolphin. More images seek to clarify how the dolphin might have died.

The rarest sleep chronotype is the dolphin, thought to make up five to 10 per cent of the population. Prone to anxious brains, they not only find it hard to fall asleep at night, but they struggle ...

A striped dolphin, a type of marine mammal rarely seen on a South Carolina beach, washed ashore this past weekend at Litchfield Beach. The dolphin later died, according to the Lowcountry Marine ...

Allie, a 37-year-old bottlenose dolphin, is in her second trimester of pregnancy and expected to give birth in June, according to Dr. Michael Adkesson, Brookfield Zoo's president and CEO.