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 ...

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 ...

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 ...

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 ...

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

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

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 ...