With roughly 45 teeth, each up to 10cm long and 4cm wide, orcas are perfectly engineered for ripping and tearing prey. These ...

New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...

Orcas, or killer whales, are deadly and beautiful apex predators. More than 90 charged over alleged Minnesota fraud Tatiana ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives.

Orcas off the west coast of North America are grooming each other with kelp, in a rare sighting of marine mammals manufacturing and using tools. For several years, scientists have been keenly ...

Step aside, primates and crows. Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools. Scientists have discovered that southern ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region. A pygmy sperm whale was ...