Only about 1 in 5 people have a chin dimple. An evolutionary biologist unpacks the genetics — and the deeper mystery of why ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Fifty years ago, a remarkable fossil was unearthed in the Afar Rift ...

Add Yahoo as a preferred source to see more of our stories on Google. The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then they switched to ...

Scientists say some of the traits that define modern humans may have evolved only after long-standing biological and cultural ...

Human babies arrive with nearly 100 extra bones for the same reason birth is the most dangerous event in mammalian life, and both facts trace back to the same evolutionary gamble. You were born with ...

Scientists have found new evidence for how our fossil human relatives in South Africa may have used their hands. Research led by Samar Syeda, postdoctoral researcher at the American Museum of Natural ...

Our body's "blood factory" consists of specialized tissue made up of bone cells, blood vessels, nerves and other cell types. Now, researchers have succeeded for the first time in recreating this ...