Killer whales, also known as orcas are among the most intelligent and powerful predators in the ocean. With coordinated ...

"They're more elusive — and critically endangered." Researchers stunned after cameras record rare predators in unexpected ...

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Killer whales are among the ocean’s most powerful predators. They can prey on stingrays, seals, porpoises, and even massive baleen whales. They are also known for disrupting great white sharks and ...

Word and photos of Vancouver’s mystery orcas reached marine biologist Emma Luck in Alaska. A year earlier, she had been ...

A pod of killer whales in Mexico’s Gulf of California has been filmed hunting juvenile great white sharks, flipping them to eat their nutrient-rich livers. (CREDIT: Marco Villegas) In the serene ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

The ocean’s top predator was seen on the hunt for its next meal off the coast of California, boaters said. Passengers aboard Monterey Bay Whale Watch’s boat on Oct. 7 got the chance to see a killer ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...