Extended stays in space like that of Suni Williams and Butch Wilmore, the 'stranded' astronauts at the International Space Station for nine months, are very valuable for devising systems to protect ...

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long ...

"Our history is far richer and more complex than we imagined," said human evolutionary geneticist Aylwyn Scally.

(that’s us) did not descend from a neat, single lineage. Instead, modern humans can link their heritage back to at least two ...

The fragmentary facial bones belong to Homo affinis erectus, an esoteric offshoot of our family tree that inhabited Spain ...

A new study reveals that a mysterious human ancestors contributed 20% of modern human genes, potentially enhancing brain ...

Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ago.

The remains have helped to fill in gaps in the fossil record and move science closer to understanding human evolution in ...

The Spanish team says the latest remains are more primitive than Homo antecessor but bear a resemblance to Homo erectus.