The evolution of modern cetaceans (including whales, dolphins, and porpoises) from terrestrial ancestors required many drastic anatomical, physiological, and behavioral changes. The development of an ...

One of the first cetaceans, Pakicetus, was a goat-sized creature that lived along the banks of lakes and rivers in ...

Found on the southern coast of Peru, this amphibious creature had a tail and hooves and was the oldest preserved fossil of ...

A mysterious whale that has puzzled scientists for decades may not be an anomaly, but a clue to what climate change is doing ...

For several years now, Coombs has been studying whale skull peculiarities—such as the structure’s unusual asymmetry in some species—and their implications for cetacean evolution. She first started ...

A new orca whale calf spotted in Puget Sound in Washington State is the latest addition to a well-known family of killer ...

These revolutions have been observed spreading across the South Pacific, demonstrating how cultural learning drives song evolution. Scientists have struggled to understand how whales learn these ...

are all-but acoustically invisible to killer whales,” the study concluded. The findings suggest the evolution and behavior of at least some baleen whales has been significantly shaped by fear of orca ...