U.S. scientists following endangered killer whales from a research vessel have spotted a newborn orca off the coast of Washington state.
The U.S. Navy is seeking permits to expand sonar and other training exercises off the Pacific Coast, a proposal raising concerns from animal advocates who say that more sonar-emitting buoys would harm whales and other creatures that live in the water.
The Center for Whale Research says a baby orca has been born to the endangered population of killer whales that frequent Puget Sound.
Scientists studying southern resident killer whales for the past decade now know they are among the most contaminated marine mammals, with pollutants particularly high in the youngest whales
A conservation group is asking federal officials to protect endangered killer whales in the marine waters off the West Coast.
A satellite tag attached to one endangered Puget Sound killer whale is yielding some valuable information about the migration of orcas in recent days.
A large pod of orcas in Puget Sound this week has been thrilling whale watchers.
Biologists are gaining new information about the winter movements of endangered Puget Sound killer whales by tracking the daily activities of one orca by a satellite tag.
If whale expert John K.B. Ford has his way, school children one day will study a kind of North Pacific killer whale that preys on warm-blooded creatures — mostly harbor seals and sea lions, but also gray whales and seabirds.
More than a dozen killer whales swimming past West Seattle gave residents a spectacular sight Monday as the sun set. This is the farthest south the orcas have been seen this year, and it may indicate a typical fall shift.