Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

In an effort to protect southern resident killer whales, the Vancouver Fraser Port Authority is encouraging a ship slowdown ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...

Where there are Chinook salmon, the orcas will likely follow — including the mouth of the Columbia River. Despite what can feel like a desperate and futile effort to save the region’s venerated ...

Add Yahoo as a preferred source to see more of our stories on Google. Orcas, or killer whales, are deadly and beautiful apex predators. New 'Forbidden Fruits' trailer teases a witchy mean girls ...

Many researchers thought the two-month absence was caused by the predation of a white shark by a group of orcas. Now a new study suggests there may be other reasons for their disappearance.

Warming ocean waters are shrinking whale feeding areas and increasing entanglement risk along the U.S. West Coast.

Orcas, or killer whales, are deadly and beautiful apex predators.