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 ...

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 ...

PARIS — Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators or live in more complex societies, ...

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 ...

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 ...

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