Yet their size hindered their mobility, something that prehistoric whales could have taken advantage of. Baleen whales of that time period were significantly smaller than their descendants ...

(An alternative theory, advanced by paleontologist Hans Thewissen, is that whales descended from an animal similar to Indohyus, a prehistoric deerlike artiodactyl the size of a raccoon that was ...

TODAY’S mega-fauna, Earth’s largest animals, pale in comparison to the giants that used to roam the Earth. Though that is ...

The newly discovered early whale lived about 43 million years ago The fossil of a 43-million-year-old whale with four legs, webbed feet and hooves has been discovered in Peru. Palaeontologists ...

South west of Cairo, deep in Egypt’s Western Desert, there lie treasures even more ancient than the pharaohs’ tombs — and travellers can visit them to see one of the great mysteries of evolution ...

The very first “whales” were land animals that walked on four legs — small deer-like creatures, about the size of a house cat, that ate plants and waded around in prehistoric lagoons over 50 ...