The main Hawaiian Islands are home to a resident population of an estimated 150-200 endangered false killer whales. A mother and young calf are pictured above. -- Cascadia Research/ROBIN W.

Hawaii's first humpback whale sighting off the shores of East Oahu had one spearfisherman holding his breath longer than he may have wanted on Thursday. Alina Lee with an exclusive story you'll ...

PO‘IPU — Veterinarians euthanized an emaciated sub-adult killer whale yesterday morning in the surf along Brennecke’s Beach in Po‘ipu, 12 hours after the marine mammal first became stranded.

Whale calves need their mothers to survive. This is why surfers and swimmers at a Hawaii beach were shocked at the sight of a baby humpback drifting solo near the shore. Now officials have a warning.

Humpbacks are known to assemble in specific nearshore, relatively shallow breeding grounds in Mexico and Hawaii. The 100-day Wave Glider survey found assemblies in offshore areas, atypical to ...