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 ...

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.

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

NEW YORK -- The nearly complete and remarkably preserved skeleton of a small, 47 million-year-old creature found in Germany was displayed Tuesday by scientists who said it would help illuminate the ...

Purchased with funds from the S. Dillon Ripley Endowment. Cover -- Cortical Evolution in Primates -- Copyright -- Dedication -- Contents -- List of figures and tables ...

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 ...

The observation of homosexual behaviors in animals has long raised questions about their origins and functions. A recent ...

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.

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain ...