Wild dolphins were captured on film putting sea sponges over their snouts, using them as tools to hunt along the seafloor.

Young dolphins, within the first few months of life, display their creativity by creating a unique sound. These bleats, chirps and squeaks amount to a novel possession in the animal kingdom — a label ...

What are dolphins actually saying with their iconic, high-pitched whistles? Dolphin communication researcher Laela Sayigh is trying to find out. She’s been compiling a database of whistles from a pod ...