While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Transient killer whales — also known as Bigg’s killer whales — differ significantly from the endangered southern resident orcas typically found in Washington’s Puget Sound.

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

Whale watchers are heading out in growing numbers, and knowing where to go whale watching helps them catch the action at its ...

An investigation traces arrival of nine large factory trawlers to B.C.'s coast in recent years, claiming some may be involved ...

A pod of orca whales was spotted playing in Commencement Bay near Tacoma.

An investigation traces arrival of nine large factory trawlers to B.C.'s coast in recent years, claiming some may be involved ...

A well-known male killer whale was spotted June 9 traveling alone through Yaquina Bay and along the central Oregon coast, drawing attention from researchers, photographers and onlookers as he ...

The anniversary festivities included V.I.P. meet-and-greets, book signings, film screenings and lectures about sharks. But ...

How Orcas Work Together to Whip Up a Meal Cooperative hunting techniques provide a glimpse into the culture of killer whales.

Burnett, who’s 41, grew up largely in Plano but has rarely been landlocked since: She now lives in St. Lucia, an island not ...