In a day of sadness and surprise, researchers on Puget Sound on Tuesday found J61, the new calf born to mother orca Tahlequah, had not survived—and that a new calf had also been born to J pod. Lolita, ...

Imagine hearing a killer whale say "hello" or "bye-bye"—it sounds like a scene from a sci-fi movie, but this phenomenon is backed by science. A 2018 study has revealed that orcas, one of the ocean's ...

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 ...