New fossil fills gap in human evolution: Oldest human ancestor appears to be from the Balkans
A new fossil femur, or thigh bone from Bulgaria could re-write the story of human origins. This is the conclusion of an international team of researchers from the National Museum of Natural History at the Bulgarian Academy of Sciences (Bulgaria), the Aristotle University of Thessaloniki (Greece), the Eberhard Karls University of Tübingen (Germany), and the University of Toronto (Canada). Bipedalism (walking on two legs) has long been considered a fundamental threshold in human evolution and one of our most formative attributes. Until now, researchers thought that the first humans were from Africa and that bipedalism evolved there between 6 and 7 million years ago. But the new femur, from the site of Azmaka, Chirpan area (Bulgaria), described in an article, published on March 4, 2026 [...]
