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 sudden spate of dolphin deaths on Oahu in Hawaii has raised concerns among scientists who have confirmed the presence of ...

The killer whales are using a kind of marine loofah to exfoliate. Rubbing the kelp between their bodies is a form of mutual ...