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.

One of the most weird and wonderful products of evolution is the penis bone, or baculum. The baculum is an extra-skeletal bone, which means it is not attached to the rest of the skeleton but instead ...

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 ...

The human penis is 'conservative' compared to other members of the animal kingdom – and now a scientist reveals why this is. Michelle Spear, a professor of anatomy at the University of Bristol, says ...