Burned fossils reveal a vivid snapshot of early Homo sapiens life.
in Anthropology, Archaeology, News, Paleontology
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Edited and reviewed by Tibi Puiu
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A set of burned human bones unearthed in Ethiopia’s Afar Rift may hold the oldest known evidence of cremation, pushing a deeply human ritual back to about 100,000 years ago.
The find comes from Faro Daba, a rare open-air site where fossils, stone tools and traces of ancient landscapes still lie close to where early Homo sapiens left them.
Undisturbed for Ages
The fossils come from the lower Halibee Member of the Dawaitoli Formation in the Middle Awash study area, a long-running research region in northeastern Ethiopia. Scientists have worked there since 1981, building one of Africa’s richest records of human evolution.
The Faro Daba deposits, dated to roughly 100,000 years ago, contain animal fossils, stone tools and partial skeletons from at least three Homo sapiens individuals. The tools belong to the Middle Stone Age, a long chapter of African prehistory that overlaps with the emergence of our species and the spread of more flexible ways of making and using stone tools.
The setting makes the site unusual. Many African sites from this period come from caves or rock shelters. Faro Daba is open-air, and much of its material appears to have stayed where ancient people left it, with limited disturbance from water, erosion, or geological movement.
Thousands of stone artifacts were found across the exposed sediments, many still in undisturbed layers. That level of preservation lets researchers connect scattered finds into a clearer picture of what happened at the site.
Intentionally Burned?
Researchers also recovered human bones with signs of high-temperature burning.
The clearest sign is heat damage on a molar and nearby bone fragments. In the study, the authors describe cracking, charring, discoloration, and breakage consistent with exposure to unusually intense fire—hotter than most natural bushfires. In a modern forensic case, they note, damage like this would likely raise the possibility of intentional cremation.
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If the case holds, the find would move the known history of cremation back by tens of thousands of years and add a new kind of mortuary behavior to the Middle Stone Age record.
But the case is not settled.
Some bones also show predator bite marks. Other evidence suggests rapid burial. The site also contains other traces of intense burning, so fire alone cannot prove a funeral rite. The difference between cremation and a body in flames is the intention behind it. The remains may reflect intentional cremation, accidental burning, or a more complicated scenario involving death, scavengers, fire, and floodplain burial.
The timeline is what makes the claim so consequential. Clear evidence for cremation in Africa appears thousands of years later, and the best-known early case outside Africa comes from Lake Mungo in Australia, about 40,000 years ago. A confirmed cremation at Faro Daba would move the known history of the practice much farther back, to a time when early Homo sapiens were still living only in Africa.
Life Along the Ancient Awash
The Faro Daba sediments formed near the ancient Awash River, in a wooded floodplain shaped by seasonal flooding. The evidence suggests early humans did not live there permanently. They returned for short visits, made tools, discarded flakes, and moved on.
“This research helps us build a comprehensive understanding of how early Homo sapiens interacted with their environment. Our findings suggest that local water-related factors and changes were more decisive than global climate variations,” Ferhat Kaya of the University of Oulu said in a team statement.
Seasonal floods likely shaped where animals gathered, where plants grew, and where humans could camp. Those same floods may have quickly buried bones and tools, helping preserve the site.
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Some of the tools were made from obsidian, a sharp volcanic glass that came from distant sources. That suggests these early humans moved across long distances and carried valued raw materials with them.
More than 3,000 animal fossils from the same deposits reveal a varied ecosystem of monkeys, rodents, and large mammals. Together, the fossils, tools, and sediments show early Homo sapiens using a changing landscape with flexibility and skill.
For now, Faro Daba shows a community that knew this floodplain well. People came back when conditions suited them, made tools there, carried stone from elsewhere and left traces that survived with unusual clarity. Whether the burned bones prove cremation or not, the site gives archaeologists one of the clearest open-air records yet of early Homo sapiens life 100,000 years ago.
The study was published in the journal Proceedings of the National Academy of Sciences.