A monkey's uncle may actually be its father, according to a new study showing that germ-cell chimerism is rampant in marmosets. These animals often carry another individual's sperm or egg cells ...

The common marmoset may be small enough to fit in the palm of a hand, but the diminutive stature of these monkeys belies their enormous significance in unraveling the intricate mysteries of human ...

Scientists studying the behaviour of marmoset monkeys believe the creatures are able to call one another by name. The monkeys were found to use calls - known as “phee calls” - which were ...