Along with the bones of prehistoric sea monsters ... realizing what this meant for the evolution of whales—it was overwhelming," she remembers. Though unable to support a Basilosaurus's weight ...

This prehistoric quadruped discovered on the coast of Peru was similar to a modern-day otter or beaver — except it was 13 ...

The evolution of whales showcases a dramatic transition from land-dwelling to fully aquatic life. Fossils of Ambulocetus, found in ancient estuary sediments, suggest it lived both on land and in ...

He hopes to shed light on prehistoric whales’ movements, as well as on the evolution of the oceans. As scientists explore how industrialized agriculture is affecting U.S. weather and climate ...

They noticed that the date coincided with the evolution of gigantism in whales ... Yet their size hindered their mobility, something that prehistoric whales could have taken advantage of.