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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

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

A growing body of research suggests same-sex behavior in nonhuman primates is important to social connections.

People haven’t realised that same-sex behaviour is as important for the functioning of a society," says wildlife expert ...

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 ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

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 ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...