Colder Climates Meant Bigger Bodies For Ancient Humans
Human ancestors got steadily larger over the last 1 million years. Our relatives living in colder places developed bigger bodies, a new study finds.
Homo sapiens
Denisovans, A Mysterious Kind Of Ancient Humans, Are Traced to Tibet
Until now, the only Denisovan remains came from a cave in Siberia. The new find is "much more complete," one expert says.
315,000-Year-Old Fossils From Morocco Could Be Earliest Recorded Homo Sapiens
Scientists who found the fossils believe they are the remains of five people and far older than all previous finds. But how do the remains really fit into the bushy family tree of modern humans?
Primitive Humanlike Species Lived More Recently Than Expected
The surprising finding suggests that small-brained Homo naledi may have lived at the same time as early humans in South Africa, complicating previous notions about human origins.
Watch Earth's History Play Out On A Football Field
If our planet's 4.5 billion-year existence were laid out on a 100-yard timeline, when and where would humans first show up? Good question. NPR's Skunk Bear hits the gridiron for a reality check.
Chipping Away At The Mystery Of The Oldest Tools Ever Found
How do you prove a rock was actively shaped and used as a tool more than 3 million years ago? Scientists found a kit of more than 140 artifacts in one spot and say the tools' crafters were pre-human.