Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

A pod of Orcas (Orcinus orca), also known as Killer Whales, feeding, in the Atlantic Ocean. There is a small baby orca amongst them, clearly visible in the image, with its head up. A group of ...

Killer whales are not known for attacking people. The attacks and subsequent deaths that orcas have caused have taken place when killer whales have been taken into captivity and kept in small tanks, ...

Apparently even whales enjoy horsing around. The reason orca whales have been attacking European ships recently isn’t due to targeted violence, but rather that the enormous mammals consider it a form ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, inexperienced target guarded by a single adult. However, orcas cannot reach ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

A pod of Orcas, also known as "killer whales," attacked a boat off of Spain in a growing trend experts say might be "revenge" for years of being injured by them. A boat captain took a video of the ...

A pod of killer whales attacked and sunk a yacht in the Strait of Gibraltar, between Spain and Morocco, officials confirmed to ABC News. Two people were on board the vessel when the incident occurred ...

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

Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...