Japanese macaques, colloquially referred to as snow monkeys, famously soak in steaming hot springs during winter. It's easy ...

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

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

Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ...

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

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

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

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

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that the gut microbiome does more than aid digestion. It may also influence how ...

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 ...

This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in your inbox every month. If I tried to recap all the new fossils, new methods and ...