A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

By Aimable Twahirwa The fact that primates other than humans engage in homosexual behavior is well-documented. A recent study ...

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

Primate locomotion and evolution encompass the diverse adaptations that have enabled primates to negotiate complex arboreal environments. Throughout their evolutionary history, primates have acquired ...

The fossil is the best preserved ever found for a primate, said Jorn Hurum, of the University of Oslo Natural History Museum, one of the scientists introducing the specimen. It’s about 95 percent ...

Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Our recent research suggests that twins were actually the norm much further back in ...