Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

The owner of a San Diego-based whale-watching business on Friday shared a video clip showing an orca lunging after an elusive dolphin during an “amazing game of cat and mouse.” But Domenic Biagini ...

Pacific white-sided dolphins swim off the coast of British Columbia. Dolphins and porpoises in this region have been spotted swimming alongside a population of killer whales known as northern resident ...

In a rare video captured by a whale watching expedition off the coast of San Diego this week, a killer whale teaches its baby how to hunt by headbutting a dolphin, causing it to flip several times in ...

Ferry passengers on Scotland's west coast often celebrate spotting wildlife in the waves as they travel between the Hebdrides ...

Ambassador Cruise Line and ORCA have announced that the #AmbassadorForWhales fundraising initiative has raised £18,426 in ...

Li’i, a Pacific white-sided dolphin that was Lolita’s companion at Miami Seaquarium until her death last month, was moved Sunday night to SeaWorld San Antonio, where he will be reunited with two ...