Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

Science has treated same-sex sexual behavior as an “evolutionary conundrum” because it (generally) doesn’t help animals to reproduce, thus ensuring that their genes get passed down and their species ...

Some of the foundational studies in the field were neither ethical by today’s standards nor replicable. But we can do better. Unfortunately for both the field and the dogs themselves, the truth is ...

A dog gives a protective bark, sensing a nearby stranger. A cat slinks by disdainfully, ignoring anyone and everyone. A cow moos in contentment, chewing its cud. At least, that’s what we may think ...

Todd M. Freeberg does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Add Yahoo as a preferred source to see more of our stories on Google. A goat with an arrow wound nibbles the medicinal herb dittany. O. Dapper, CC BY When a wild orangutan in Sumatra recently suffered ...