Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate species and not just different races. In a study published Wednesday, ...

PORTLAND, Ore. (KOIN) — Two different populations of killer whales that live in the North Pacific are now thought to be different species, a new study published by the Royal Society shows. Phil Morin, ...

A large number of whales visiting the waters off New England included an uncommon sighting of an orca eating a tuna and an unusually large group of an endangered species of whale, scientists said. A ...

SEATTLE — A new report from the National Marine Fisheries Service has distinguished two killer whale species in the North Pacific Ocean areas. While killer whale experts and the federal government ...

More than 150 years ago, a San Francisco whaler noticed something about killer whales that scientists may be about to formally recognize — at least in name. Charles Melville Scammon submitted a ...

A large number of whales is visiting the waters off New England, and the group includes an unusually high number of an endangered species, said scientists who study the animals. A research flight made ...

(Reuters) - The various species of whales inhabiting Earth's oceans employ different types of vocalizations to communicate. Sperm whales, the largest of the toothed whales, communicate using bursts of ...