Fossils unearthed from an Ethiopian site not far from where the famous hominid Ardi’s partial skeleton was found suggest that her species was evolving different ways of walking upright more than 4 ...

A meticulous study of the ankle joint of this 4.4-million-year-old ancestor positions this species as a crucial link, bearing both primitive traits for climbing and early adaptations for upright ...

More than 1 million years before the early hominin known as Lucy was striding across the Afar region of Ethiopia, the lesser-known Ardipithecus ramidus roamed approximately the same area. Now, a team ...

It’s been 4.4 million years since a female now nicknamed Ardi lived in eastern Africa, but she still knows how to make an entrance. Analyses of her partial skeleton and the remains of at least 36 of ...

Hominid refers to the family of primates that includes all species on the “human ” side of the evolutionary tree after the split from chimpanzees.. Two reports on the extraordinary discovery appeared ...

A groundbreaking study has revived an ongoing debate about human evolution, offering fresh insights into how we might have evolved from a common ancestor with African apes. By revisiting the ...

LOS ALAMOS, New Mexico, October 1, 2009—A Los Alamos National Laboratory geologist is part of an international research team responsible for discovering the oldest nearly intact skeleton of ...

A new method to estimate sexual dimorphism in fossil species near the base of our family tree has been just published in the Proceedings of the National Academy of Science (PNAS), through the joint ...

Last month (October 2009), Science magazine devoted an entire extraordinary issue to what may be our oldest ancestor: Ardipithecus ramidus. A. ramidus was discovered in the mid-1990s in Ethiopia by a ...