From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are ...

Orcas have spent the past few years rewriting their public image from charismatic performers to unpredictable disruptors, ...

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

Learn how differences in diet and behavior split orcas off northern Japan into resident and transient groups — and what their ...

The orca on the left carries kelp in its mouth, allowing the whales to "allokelp," or roll the plant between their two bodies. - Center for Whale Research Editor’s Note: Call to Earth is a CNN ...

New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off ...

Melting Arctic ice has grave implications for the planet. It means rising sea levels and helps lock in higher temperatures — and it also has a dramatic effect on the marine life that has evolved to ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...