Tilikum was SeaWorld’s most famous orca — a massive captive whale who had already been linked to deadly incidents before the world truly knew his name. In 2010, after what seemed like a normal show in ...

Killer whales, or orcas, are among the most intelligent predators in the ocean, growing up to 8,000 kg and hunting in highly coordinated groups. Instead of attacking randomly, they work ...

Add Yahoo as a preferred source to see more of our stories on Google. A group of well-studied orcas known as Southern Resident orcas are endangered and face multiple threats to survival. New research ...