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

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

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

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

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

Scientists said the presence of killer whale DNA on the great white shark was the result of a "true predation event".

DNA evidence has confirmed that killer whales in Australia hunted a white shark for its liver—marking the first recorded case ...

A new study provides the first DNA evidence that killer whales in Australia hunt white sharks for their nutrient-rich livers.

An examination of the carcass after the whale washed ashore revealed possible shark bites, but results of a ... said the orcas, or killer whales, were not present. But they said tooth-rake marks ...

At the time, researchers believed they knew what had managed to kill this shark, but they could not confirm it. Now, however, ...