By Caroline Hemphill Killer whales (Orcinus orca) are finding a new place to roam in the rapidly changing Arctic Ocean.

Another killer whale hits the ventral side of the whale shark. Kelsey Williamson. In the sunlit waters of the Gulf of ...

Marine biologists documented the never-before-confirmed behavior among orcas living in the Southern Gulf of California.

Orcas off the coast of Washington State are balancing dead fish on their heads like it's the 1980s, but researchers still ...

The orca attacks appear to be led by a large adult male, suggesting that he may be leading the charge on this predatory ...

Killer whales can feed on marine mammals, turtles, and fish. In the Gulf of California, a pod might have picked up new skills ...

Orcas appear to select the youngest fish, work together to flip them upside down, then target the most vulnerable areas of ...

Researchers have documented killer whales working as a team to prey on whale sharks in the Gulf of California.

Orcinus is derived from the Latin word orcus, which means “of the netherworld.” Originally known as “whale killer,” the orca's common name stems from early whalers' records of the species' predatory ...