The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then they switched to bone as a raw material. Until recently, the earliest clear evidence ...

Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.

Stone tools discovered on the Indonesian island of Sulawesi are rewriting what experts thought they knew about human evolution in this region. The tools date to about 1 million to 1.5 million years ...

ANTH copy has bookplate: Smithsonian Institution Libraries, Gift from the Margery Masinter Foundation Endowment for Illustrated Books. "In Stone Tools in Human Evolution, John J. Shea argues that over ...

WASHINGTON (Nov. 4, 2025)--Imagine early humans meticulously crafting stone tools for nearly 300,000 years, all while contending with recurring wildfires, droughts, and dramatic environmental shifts.

Oldowan stone tools made from a variety of raw materials sourced more than six miles away from where they were found in southwestern Kenya. In southwestern Kenya more than 2.6 million years ago, ...

Add Yahoo as a preferred source to see more of our stories on Google. Stone tools are deliberately made by the hands of hominins, like these worked on by the author. John K. Murray Have you ever found ...

Recent discoveries have reshaped the human evolutionary timeline, from older stone tools to newly identified human species ...