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 ...
Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...
A new DNA analysis suggests that the genetic legacy of the Mongol Empire is likely more complicated than historians previously assumed ...