Why do killer whales (orcas) in captivity kill humans, whereas this doesn't happen in the wild? Federal hearings on the safety of keeping killer whales in captivity began this week, convened by the ...

A California congressman announced Friday that he is planning federal legislation that aims to phase out the captivity of killer whales by banning breeding, importing and exporting the animals for ...

SEATTLE — The endangered killer whales of the Pacific Northwest live very different lives from orcas in captivity. They swim up to 100 miles (161 kilometers) a day in pursuit of salmon, instead of ...

SAN DIEGO -- SeaWorld filed a lawsuit Tuesday challenging a California commission's ruling that bans the company from breeding captive killer whales at its San Diego park. The suit filed in San Diego ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Time is of the essence for two captive killer whales abandoned in a deteriorating marine zoo, with their lives hanging in the balance without immediate intervention. Wikie, aged 23, and her 11 year ...