Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian ... scientists believed the first humans to arrive in the Americas soon killed ...
About 400,000 years ago, early humans in Europe, Asia and Africa lived alongside giant straight-tusked elephants, far bigger ...
where researchers have found evidence suggesting human occupation 30,000 years ago. (Martín Batallés via AP) Paleontologist Thaís Pansani stands in front the reconstructed skeleton of a giant ...
Palaeontologist Thais Pansani stands in front the reconstructed skeleton of a giant ground sloth at the Smithsonian National Museum of Natural History in Washington, DC (Mary Conlon/AP) But new ...