New research challenges the view that human life span depends mostly on lifestyle. Genes may account for half the factors ...

Add Yahoo as a preferred source to see more of our stories on Google. Meerkats, as well as humans, are part of what researchers called a "premier league" of monogamy. - Martin Schutt/dpa/AFP/Getty ...

We are indeed still evolving, though it can be hard to tell because it happens over generations and often involves things you can't see, such as what foods different people are able to digest. When ...

(CNN) — Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...