Murder is the main reason why humans and other primates mate for life, according to scientists. Infanticide was the key driving force that caused us to evolve into a monogamous species, it is claimed.

Humans like to think that we're different from other animals, even down to our sexual behaviors. But as we've previously shown on this blog, we still have a lot in common with our furry (and sometimes ...

Humans are far closer to meerkats and beavers for levels of exclusive mating than we are to most of our primate cousins, according to a new University of Cambridge study that includes a table ranking ...