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 ...

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 ...