Killer whales may all look alike, but molecular biology indicates there are at least three distinct species of orca and maybe five or more, researchers reported Thursday in the journal Genome Research ...

Seven minutes into the video, the whales attacked a second juvenile white shark. This one was worked over repeatedly until ...

SEATTLE — An orca species unique to the Northwest and closely connected to indigenous populations is struggling to survive. The Southern Resident Killer Whales, or SRKW, currently have a population of ...

Almost the entire population of southern resident killer whales gathered in central Puget Sound on Sunday, but the newest ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...

A new species of killer whale has been discovered off the southern coast of Chile. Researchers from San Diego's Scripps Institution of Oceanography say the whales look distinctly different than orcas.

The Ancient Orca is one of the three Orca types that have been added to Fisch with the new Orca Migration Hunt event. It’s one of the hardest species to catch in the game at the moment, and the orca ...

The world’s fascination with killer whales coincides with the decades-long quest of scientists who want to reclassify the marine mammals. Lila Seidman covers wildlife and the outdoors for the L.A.