New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

Fossils offer a detailed record of early human skulls but not the brains inside them. So researchers have been using genetic material taken from those fossils to search for clues about how the human ...

A study shows that interbreeding between the two species occurred primarily in one direction, and the origin of this bias is still unclear ...

Humans and Neanderthals cozied up from time to time when they lived in the same areas tens of thousands of years ago. A new ...

FILE: Reconstructions of a Neanderthal man, left, and woman at the Neanderthal museum in Mettmann, Germany, March 2009 ...

A new Neanderthal DNA study suggests interbreeding between modern humans and Neanderthals favored pairings of female humans ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia. Genomic research by members of Sarah Tishkoff's lab at the University of ...

Most people with non-African ancestry carry roughly 1–4% Neanderthal ancestry spread across their genomes, a legacy of contact after modern humans expanded into Eurasia. But the X chromosome, one of ...

Deep in your muscles, an enzyme called AMPD1 helps turn chemical fuel into usable energy. When it does not work well, muscles tire faster.

Females carry two X chromosomes, and males carry one. Therefore, if Neanderthal males and modern human females were mating ...

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