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

The animal’s dorsal fin was still floppy, indicating it was less than 24 hours old, according to news reports.

Over a year after a dead 15-foot shark was found with mysterious bite wounds and stripped of its internal organs, DNA ...

Footage captured in May 2022 shows an aerial view of killer whales hunting and killing great white sharks at Mossel Bay, ...

The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

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

Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

A pod of killer whales made an unexpected visit off the coast of Orange County Thursday. The pod of CA56 killer whales (orcas ...

Research confirms a great white shark that washed up on a beach in south-west Victoria was the victim of killer whale ...