Killer whales, as apex predators with long lifespans, are prone to accumulating high levels of persistent organic pollutants ...

Scientists have confirmed a great white shark found dead on a beach in western Victoria in 2023 was killed by orcas for its ...

The researchers took swabs from the white shark's bite wounds and sequenced for any genetic material that the predator may ...

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in 2023, the Flinders University-led study identified that killer whales were ...

The clip shows a group of seven orcas — four adults and three calves — as they circle a seal on a tiny chunk of ice in western Antarctica’s Marguerite Bay. The lesson, which ...

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

Scientists have resolved one of the outstanding questions about one of the world's most recognizable creatures, identifying two well-known killer whales in the North Pacific Ocean as separate species.

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

This story appears in the July 2015 issue of National Geographic magazine. There are no orcas to speak of in Western literature. Although they look like mythic creatures, with their sleek bodies ...

For most of the 20th century, scientists on the Pacific Coast of North America held two basic assumptions about the killer whale (Orcinus orca): first, it was a voracious predator inclined to attack ...