Orcas, or killer whales, are deadly and beautiful apex predators.

Killer whales can scare white sharks away in the moment, but a 12-year study from South Australia shows that long disappearances from shark hotspots are often just part of the sharks’ natural rhythms.

There aren’t many animals in the ocean deadlier than orcas. As apex predators, they hunt with intelligence, coordination, and ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on ...

Oman’s Environment Authority has issued a public warning urging people not to dive near orca whales (killer whales) after a video showing a man swimmi.

THIS is the dramatic moment a diver witnessed a family of orcas feasting on a shark as its rag doll-like body hangs limp ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to ...

In partnership with the Maui County Film Office and Wailuku Film Festival, the Pacific Whale Foundation’s ninth annual World ...

Orcas have not had the best press lately. After headlines about sailboats being damaged off the coasts of Spain and Portugal, ...

From interactive museums to Fan Expo and more, here are 10 events happening around Vancouver on Family Day weekend, Feb. 14 ...

Over about five decades, Dolphin Action and Protection Group founder Nan Rice worked tirelessly to protect dolphins, whales and porpoises, and many other marine creatures, driven by deep passion and ...