Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

You may think that dolphins are super cute sea creatures to view from the shore and boats, but for killer whales, they are ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. It was an orca ...

Orcas have been spotted hunting down an unexpected dinner off the coast of Chile in a particularly brutal way. The matriarch of this orca pod was seen flinging a dusky dolphin into the air during the ...

Orcas have gobbled up news headlines this past year due to numerous reports of these killer whales harassing — and at times even sinking — boats, sparking countless memes and befuddlement. When they ...

MIAMI — A Pacific white-sided dolphin who shared a tank with Lolita the orca at the Miami Seaquarium until Lolita died last month has been moved to SeaWorld San Antonio, where he will live with others ...

You never know where the black-and-white beauties will show up to feast. A pod of orcas usually found in warmer waters off Mexico have been hanging around Southern California in the last week and were ...