Self-pleasure occurs all across the animal kingdom, but it’s still unclear why primates in particular evolved autosexual behavior. By Laura Baisas Published Jun 6, 2023 7:01 PM EDT Get the Popular ...

Captive Primate Safety Act aims to curb illegal pet trade in the U.S. On a recent day at the Oakland Zoo's animal hospital, across the bay from San Francisco, an endangered Mexican spider monkey leaps ...

BEAVERTON, Ore. — The director of Oregon Health & Science University’s primate research center admits the last few months haven’t been easy. A medical ethics group launched an advertising blitz ...

Though masturbation is common across the animal kingdom, it seems, at its face, to be an evolutionary paradox: Why would an animal waste time, energy and reproductive resources on self-pleasure ...

A study showed that sex-based hierarchies in primates are more fluid than has been assumed, raising questions about the origins of inequalities between men and women. Observations of “alpha male” ...

The Department of Veterans Affairs will end its spinal cord research involving monkeys this month, with the conclusion of studies on stem cell therapy to treat injuries and understand the impact of ...