The textbook version of the "Out of Africa" hypothesis holds that the first human species to leave the continent around 1.8 ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

Chimpanzees are clearly among the most intelligent of all non-human animals, but they are rarely regarded as killers. And yet ...

Scientists say they have solved the mystery of the Burtele foot, a set of 3.4 million-year-old bones found in Ethiopia in 2009. The fossils, along with others unearthed more recently, have now been ...