Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike structure.

Nearly two dozen people helped with the rescue mission for a mama manatee and her baby. The mother sea cow was hit by a propeller over 20 times.

Three mystery whales have been surprising whale watchers from Canada to Olympia. When somebody gets the thrill of seeing an orca in Northwest waters, that whale is almost always well known. Scientists ...