Some details remain fuzzy and under investigation. But we know for certain that this back-to-the-water evolution did occur, thanks to a profusion of intermediate fossils that have been uncovered ...

A new orca whale calf spotted in Puget Sound in Washington State is the latest addition to a well-known family of killer whales with a connection to SeaWorld. In 1976, the calf’s great ...

File photo of a blue whale off the coast of Bandon, Oregon. An analysis from the University of Washington finds that blue and ...

In the process he has shown that whales, once celebrated by creationists as the best evidence against evolution, may be evolution's most elegant proof. "Complete specimens like that Basilosaurus ...

The Pacific Whale Watch Association (PWWA) announced that a new Bigg’s orca calf has been spotted in the Salish Sea. The calf was first seen as part of a group of more than a dozen orcas on March 20 ...