The sighting of a baby killer whale in British Columbia has given researchers a sign of hope for the endangered species, ...

Despite being commonly known as “killer whales,” they’re a member of the dolphin family. In fact, the name “killer whale” comes, rather appropriately, from their whale hunting behavior.

Dolphins and pilot whales can tell which orcas are coming for them by listening to their calls. A series of rodent experiments showed that even with abundant food and water, personal space is ...

A critically endangered killer whale group has welcomed a new calf after it was spotted for the first time near Washington. The Southern Resident killer whale baby was discovered April 6 in the ...

A Bigg’s killer whale calf is seen swimming alongside its mom in the Salish Sea off Washington. Caio Ribeiro Eagle Wing Tours / Pacific Whale Watch Association A killer whale has become a first ...

Experts believe they got the name “killer whale,” not for hunting humans, but when ancient sailors saw them hunting large whales. Orcas are carnivores and eat a large variety of marine animals ...