Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

A family in Utah with a disproportionate number of boys has been traced back over hundreds of years, revealing that its lack of female members is probably due to a selfish Y chromosome ...

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate ...

A 2026 study finds sex-biased interbreeding, not genetic incompatibility, likely explains why Neanderthal DNA is scarce on the human X chromosome.

Your brain begins as a single cell. When all is said and done, it will house an incredibly complex and powerful network of some 170 billion cells.

Humans and Neanderthals cozied up from time to time when they lived in the same areas tens of thousands of years ago. But we don't know ...

When the two species got together tens of thousands of years ago, the hookups may have often involved a male Neanderthal and a female human, according to a new study. The findings, described February ...

The researchers also found that Neanderthals had far more human DNA on their X chromosomes than expected. This confirms the ...

A new study in Science suggests Neanderthal men and modern human women interbred more often than assumed, reshaping theories about our DNA. But what drove those ancient pairings remains uncertain.

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly ...

When ancient humans interbred, new research shows that the pairings were predominantly male Neanderthals and female Homo ...

Our DNA carries the history of ancient migrations, encounters, and relationships between different human groups. A new study suggests that intimate connections between modern humans and Neanderthals ...