According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

The largest orca ever recorded was a staggering ... because the animal mistook the surfer for a seal. Although wild killer whales do not intentionally harm people, they have attacked boats.

Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale predation on white sharks in Australia.

Members of the marine mammal rescue group Dolphins Plus Marine Mammal Responder walk with a Pygmy killer whale that was found stranded off the beach at Long Key State Park in the Florida Keys on ...

A Pygmy killer whale — rarely seen in the shallow waters that surround the Florida Keys — was found injured, sick and stranded just off a beach in the island chain on Sunday, a local marine ...