Imagine looking at a majestic blue whale gliding effortlessly through the ocean, the largest animal on Earth. Now, picture ...

Once four-legged land animals, whales evolved from ancestors Pakicetus, which lived along ancient Pakistani shores ...

Early ancestors of the ocean's biggest animals once walked on land. Follow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, ...

"We think the rest of the body is inside," said Zalmout. The common ancestor of whales and of all other land animals was a flatheaded, salamander-shaped tetrapod that hauled itself out of the sea ...

whales faced more competition for food and may have tried experimental hunting techniques—and because our ancestors simply came across whales more frequently. It’s estimated there were more ...

Whales’ ancestors were land-dwellers about 50 million years ago before moving into water. Elemans said the animals adapted their voice boxes over tens of millions of years to make sounds underwater.

Skeletons of Basilosaurus, a whale ancestor, reveal the leviathan still retained tiny hind legs. John Klausmeyer / University of Michigan Museum of Natual History Whales evolved from mammals that ...

Tagging and monitoring whales can reveal their extensive migration routes, but not how far—or whether—their ancestors roamed five million years ago. UC Berkeley researcher Larry Taylor knew ...