Scientific analysis of "cannibal" killer whales might seem shocking at first glance, but it might also indicate that our understanding of this species is falling behind the pace of evolution. As ...

Blue whale calves are huge at birth but still vulnerable, and orca attacks on them are rare, high-risk events that require coordinated pod hunting. Mothers defend calves by positioning their massive ...

Orcas living off Europe's Iberian coast recently struck and sunk a yacht in the Strait of Gibraltar. Scientists suspect that this is the third vessel this subpopulation of killer whales has capsized ...

Sophia the orca whale attacking a great white shark in the National Geographic show 'Queens' In a battle of strength between a grandma and a great white shark, the winner may surprise you. National ...

Only two places in the world allow tourists to enter the water with the ocean’s apex predator. But the safety of both species is a growing concern.

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

A whale watching boat recently spotted a large group of orcas, also called killer whales, off the northern Channel Islands.

Three orcas that had not previously been recorded in the Seattle area have delighted whale watchers with several visits.

Photo of a large blue whale with bright light on a black background. Insulation.© ARomadov/Shutterstock.com Blue whale calves enter the world already the size of a bus, yet they still face danger. A ...