Researchers have documented dozens of playful interactions between whales and dolphins across oceans, highlighting a previously unknown form of marine mammal behaviour. The research, published in the ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

MIAMI — The relationship between whales and dolphins has long been shrouded in mystery. But, new research reveals that — despite their vast difference in size — these marine mammals often enjoy ...

A suction camera tag deployed by Dr Olaf Meynecke captures the depths dolphins will sometimes accompany whales to - in this case, even to the sea floor. A new study has investigated hundreds of videos ...

A rare southern right whale covered in what appear to be shark bites has washed up on an Australian beach, exciting scientists who Thursday said it will help boost knowledge of the species.

The relationship between whales and dolphins has long been shrouded in mystery. But, new research reveals that — despite their vast difference in size — these marine mammals often enjoy playful ...