What happens when a highly social creature like a bottlenose dolphin is left utterly alone? Delle, a solitary dolphin in ...

The only dolphin in the Baltic Sea seems to like muttering to himself. Researchers are trying to figure out why.

A solo traveler off the coast of Denmark is apparently screaming into the void, revealing the importance of social ...

"If we hadn't known that Delle was alone, we might have concluded that a group of at least three dolphins was engaged in ...