A stunning ocean video has captured killer whales stalking a lone penguin, and it’s now making waves online. Filmed from a ship, the footage shows the tiny penguin valiantly trying to evade its ...

Some visitors to Antarctic waters got the show of a lifetime when several orcas went on the hunt for a penguin. Instead of simply nabbing the penguin, though, the orcas were playing with their food.

A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks than ...