A trio of hydrophones rests on the sea bottom, recording the sounds of Washington’s Puget Sound, including endangered southern resident orcas Over the side it goes with a splash: three ears pricked ...

A baby orca has been spotted with the Puget Sound population of killer whales. The new arrival -- scientists don't know yet if it's male or female -- brings the number of orcas up to 86. The ...

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 ...

SEATTLE, Wash. — Gov. Jay Inslee and the Quiet Sound program celebrated the progress made in protecting orcas in Puget Sound on Friday at the Seattle Aquarium. The Quiet Sound has been advocating for ...

With only 73 southern resident orca whales remaining — 25 to 30 of which are potentially reproductive females — about a third of them with the potential to rebound the population are not reproducing, ...

Big ships entering and leaving Puget Sound will be asked to slow down to reduce underwater noise this fall in an effort to help the Pacific Northwest’s critically endangered orca whales. Washington ...

A plan announced last week to return Lolita, a killer whale held captive for more than a half-century, to her home waters in Washington's Puget Sound thrilled those who have long advocated for her to ...