Same-sex behavior among animals has been observed for centuries and is far more common than you might think. Scientists ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

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 ...

Primates form same-sex sexual behavior alliances to gain rank and mating opportunities Male primates use same-sex bonds as ...

A new study tracing the evolution of same-sex sexual behavior in mammals, using phylogenetic analyses, suggests these behaviors may have evolved in part to strengthen social bonding and relationships.

(CN) — Understanding the mating behaviors of long-extinct animals is hard. A few severed fossilized appendages may help researchers with that. Published in Geology, their study deals with trilobites, ...

Coyotes mate for life, mourn their dead, and even help forests grow, revealing deep emotional lives and vital roles in wild ...

A new study has found that chemical additives in everyday plastic might be stopping – or, at best, interrupting – the reproductive habits of a shrimp-like species that is key to the marine food chain.

I'm always looking for books and documentaries about animals about whom I know little to nothing, so I was thrilled to learn of a new book by Dr. David Hone, one of the world's leading dinosaur ...