A routine whale watching trip off the California coast turned into an unforgettable moment that travelers will remember for ...

SAN ANTONIO, TX -- An ailing 12-year-old dolphin has died at SeaWorld San Antonio in the park's fourth animal death since last summer. A SeaWorld official said Tuesday that necropsy results are ...

In mid‑June, a rare case of mammalian altruism unfolded off the coast of Western Australia. A pod of dolphins escorted a young humpback whale from the confines of a shallow bay into deeper water.

SeaWorld's beloved Katina has died. The water park has released the cause of death for the killer whale, who was believed to be 50 when she died.

Researchers analyzed nearly 200 whale-dolphin interactions, and conclude: They sure do seem friendly. Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins ...

ORLANDO, Fla. -- SeaWorld says trainers will no longer stand or ride on dolphins. The move follows nearly a year of pressure from "People for the Ethical Treatment of Animals" or PETA. However, ...

A bottlenose dolphin is seen "bow riding," or swimming just in front of a humpback whale, potentially getting a boost from the wave created by the larger mammal. Roving Media via Griffith University ...

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 ...

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 ...