Two animals, orcas, also known as killer whales, and broadnose sevengill sharks, were responsible for the gruesome attack, according to a study published this week in the scientific journal ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale fatally assaulted the over-15-foot-long shark, then proceeded to devour its ...

Using DNA analysis, the researchers managed to zero in on orcas, better known as killer whales, and broadnose sevengill sharks as the ... they are known to attack other apex predators as well.