Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

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

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 ...

Members of the marine mammal rescue group Dolphins Plus Marine Mammal Responder walk with a Pygmy killer whale that ... the small gray and black whales typically live in much deeper waters between ...

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in ...

There are five types of killer whale in Antarctica, but only three found in these waters, near the peninsula south of South America. Unromantically, these eco types are called A, B1 and B2. Type A ...