ANTIBES, France -- In what they call a world first, researchers in Europe say they've taught an orca whale to successfully imitate a variety of sounds, including calls made by other animal species and ...

A study from the University of Washington confirms what scientists have long speculated about how marine vessel noise interferes with whales. Female orcas with young calves avoid areas where boat ...

SEATTLE —For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

When a baby orca is born, it is always time to rejoice. With a low survival rate, the more orcas born, the better the chances ...

The latest survey of endangered southern resident killer whales confirms their plateau and gradual slide toward disappearance ...

Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in an apparent effort to ...

That may be the strategy behind a fascinating new analysis of the impact giant merchant ships have on killer whale populations. It is a proposal written by M. Scott Taylor and published by the ...