Until Homo floresiensis was discovered, scientists assumed that the evolution of the human lineage was defined by bigger and ...
The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of ...
NEW YORK (AP) — A fossil find adds another twig to the human evolutionary tree, giving further evidence that the well-known “Lucy” species had company in what is now Ethiopia, a new study says.