The mystery orcas are back in the Puget Sound. For the last few weeks, a pod of unfamiliar orcas has been coming and going ...

Three orcas that had not previously been recorded in the Seattle area have delighted whale watchers with several visits.

In the waters off the coast of Seattle, marine life abounds. From seals and sea lions to whales and dolphins, there is always ...

The three killer whales, not previously recorded in the region, may have traveled from Alaska ...

Three orcas from Alaska surfaced in the waters between Washington state and Canada in March, an area where they've never been ...

Hatcheries were developed on a key assumption: that the ocean could absorb any scale of hatchery production. Today, that ...

Orcas in the Gulf of California have been hunting juvenile great white sharks using a clever tactic: flipping them upside down to render them immobile. The discovery suggests there may be a previously ...

Off the coast of South Africa, near the fishing town of Gansbaai, two orcas have made a name for themselves worldwide. Their ...

Some orcas have developed a deadly taste for liver — specifically, the livers of great white sharks. According to NBC News, scientists in Mexico captured stunning new footage showing how killer whales ...

My hypothesis on why they aren’t eaten is due to the large number of poisonous animals in the ocean. For example, if an orca ...