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

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

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

BUFFALO, N.Y. ­­ ­ ­­— Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease.

When ancient retroviruses slipped bits of their DNA into the primate genome millions of years ago, they successfully preserved their own genetic legacy. Today an estimated 8 percent of the human ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays in aiding digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

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

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.

A new primate study links same-sex behaviour to survival, social bonding, and environmental stress, raising intriguing questions about evolution, group stability, and how ancient pressures may still ...

Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ancestors hunted, cooled themselves and survived.