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

Residents and visitors in British Columbia have been experiencing a rare sight, thanks to a pod of killer whales engaging in ...

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 ...

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 ...

At a time when Greenland is in the media spotlight because of Donald Trump's words about the strategic enclave, the territory ...

SEATTLE — The mother orca known as J35, or Tahlequah, has been seen carrying her deceased calf for at least 11 days, drawing attention to the critically endangered southern resident killer whales.

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

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 ...