Many large mammals have lost genetic diversity, often thanks to the actions of people shrinking their populations. The implications can be severe because without genetic diversity, a population does ...

Cross-species hybridization is a more frequent phenomenon than previously thought. In the past, it happened with modern humans; it is estimated that our genome contains about 2% Neanderthal DNA. We ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers have uncovered an unexpected key to the Iberian lynx's ...

Despite being in contact with other Mediterranean cultures, the genetic identity of the Iberian people from the northeast of the Iberian Peninsula existing in the Iron Age remained largely stable ...

Ancient DNA is uncovering the secrets of the unique populations of what are now Portugal and Spain. Two studies published this week include unexpected findings from the DNA of people who lived ...