Long before cities or farms, the earliest humans were standing in a changing northern Kenyan landscape, striking stone to stone with steady hands. Their world was noisy with wind, heat, wildfires, and ...

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent toxin: lead. A groundbreaking study reveals that hominids — from early ...

For decades, textbooks painted a dramatic picture of early humans as tool-using hunters who rose quickly to the top of the food chain. The tale was that Homo habilis, one of the earliest ...

Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be ...

Add Yahoo as a preferred source to see more of our stories on Google. Mosquitoes have existed far longer than humans, but evolved to feed off of their blood. - Tang Chhin Sothy/AFP/Getty Images ...

In Human, the five-part series from BBC Studios Science Unit and PBS Nova, paleoanthropologist Ella Al-Shamahi journeys across continents to explore how Homo sapiens emerged as the sole surviving ...

Niguss Gitaw Baraki receives funding from the Leakey Foundation and the U.S. National Science Foundation. Dan V. Palcu Rolier's work was supported by NWO Veni grant 212.136, FAPESP grants 2018/20733-6 ...