We were amazed when we first noticed this behavior,” said Michael Weiss, research director at the Center for Whale Research in the U.S. state of Washington. What started as a puzzling observation in ...

A mission to save an entangled whale off Australia’s east coast has been captured in a series of rare aerial photographs.

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 ...

Over the years, orcas have been seen partaking in some peculiar practices, from sinking sailboats to wearing salmon “hats.” ...

Pilot whales, often referred to as the "cheetahs of the deep," are apex predators that even the mighty orcas fear. Watch as these swift, powerful creatures demonstrate their exceptional hunting skills ...

Shark teeth, bones and shells reveal that Templeton was once a seaside paradise with palm trees, warm water and colorful fish ...

Our ongoing study in Bali reveals a surprising level of trade in protected species — and offers a strategy for ending it.

Business Insider sent photographer David Becker to capture the many sides of today's bitcoin community.

A 29-foot-long humpback whale found dead on a South Carolina beach suffered a horrific death when its head was bashed by a ...

Seven false killer whales stranded on a beach in Western Australia, photos show. Then, rescuers rushed in to help, managing to save a handful of them.