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 ...

These brain regions only reach maturity in early adulthood, allowing the animals to learn from social interactions for longer ...

However, recent research into the primates has revealed that, as well as sharing some of our DNA and mannerisms, marmosets actually do what we’d consider to be a very human behaviour ...

Two of the world's smallest species of monkey have been born at a zoo. The baby pygmy marmosets, which are just 3cm (1.2in) tall came as a surprise to staff at Telford Exotic Zoo, because they ...