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 ...

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

A pod of Orcas, also known as "killer whales," attacked a boat off of Spain in a growing trend experts say might be "revenge" for years of being injured by them. A boat captain took a video of the ...