If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...
A cache of 1.5 million-year-old bone tools uncovered in Tanzania suggest ancient human ancestors were capable of critical ...
Deep in a trench in Tanzania, researchers found dozens of tools crafted from animal bones some 1.5 million years old.
Ahipbone from Paranthropus robustus, a species of hominin thought to have lived alongside our direct ancestors, has revealed ...
The knee was much older than the earliest known stone tools. The following year Johanson's team discovered another fossil that is still a landmark in the story of human origins. "Lucy" -- named ...