The ocean is under increasing pressure. Everyday human activities, from shipping to oil and gas exploration to urban ...

The International Fund for Animal Welfare has detailed the many ways that rising ocean temperatures are impacting dolphin populations, some of them less obvious than others. As the world's temperature ...

Heartbreaking video shows dolphins stuck in a miniscule tank in Mexico, languishing just a few feet from the open ocean — leaving activists appalled over “gut wrenching” conditions. Barceló Maya Grand ...

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 ...

In "Dolphins Up Close with Bertie Gregory," the National Geographic explorer looks to the camera and says, "Any day you see a dolphin is a good day." And that was Gregory's main objective for his ...