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," ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

A stunning ocean video has captured killer whales stalking a lone penguin, and it’s now making waves online. Filmed from a ship, the footage shows the tiny penguin valiantly trying to evade its ...