Social inequalities emerge in every human society. New research into how these hierarchies form suggests ‘prestige psychology ...

As fewer people choose to pair up, let alone marry, it could be that our species’ mating patterns are moving closer to the natural order, says freelance journalist Elle Hunt ...

Born on the same day, Bill and Ben both grew up to have high status. But in every other way they were polar opposites.Author ...

Experts at Imperial College London suggest homosexuality might help forge strong bonds that allow groups to stay together to survive harsh conditions.

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

The baby boom is a direct result of breeding recommendations from the Association of Zoos and Aquariums (AZA).

Nate Heygi: This is Karyn Anderson. She’s a primate behavioral ecologist at the University of Toronto. She studies same-sex relationships in the animal kingdom. And she says, first off, there are ...

The sun has set on the quad, and naturally, I am beneath a blanket of American crows. Not literally, of course. But crows ...

Monkeys are not from California. They’re not even visiting snowbirds. But a few have settled nicely into a space customized to their simian preferences.

On the genetic level, we're not all that different from chimps. But those small differences in dna can have massive effects.

In a series of tea party-like experiments, Johns Hopkins University researchers demonstrate for the first time that apes can ...