After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each ...

The researchers took swabs from the white shark's bite wounds and sequenced for any genetic material that the predator may have left behind. This confirmed the presence of orca DNA in the main bite, ...

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