Marmosets are small monkeys that live high up in the canopies of South American rainforests. There are more than 20 species, and most could fit comfortably in an adult human's hand. Marmosets have ...

Marmosets may have more sophisticated communication than we first thought, with individuals even having names. The monkeys have been observed using special vocal calls, dubbed "phee calls," to ...

Four little marmosets glowing green could be heralds of a new species for modeling human diseases. Japanese scientists engineered the marmosets to make green fluorescent protein in all the cells of ...

Marmosets can communicate with one another by name and know when they are being addressed, joining a very short list of species exhibiting such behavior, and a first for non-human primates, a new ...

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Editor’s note: This year What If?, our annual collection of scenarios, considers the future of health. Each of these stories is fiction, but grounded in historical fact, current speculation and real ...

Marmosets and tamarins are small (250-500 g) South American monkeys of the family Callitrichidae. They are forest living species with squirrel-like locomotion and, unlike typical monkeys, most of the ...

Common marmosets, Callithrix jacchus, are vocal little monkeys from South America with a hearing range similar to that of humans. And like us, it appears these New World primates can perceive pitch.

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Learning to make sounds by listening to others is a skill that helps make us human. But research now suggests a species of monkey may have evolved similar abilities. Marmosets have the capacity to ...

Six marmoset monkeys watch a visitor through brown eyes the size of apple seeds, their smooth pink faces solemn as they cling to the bars of cages at the Denver Municipal Animal Shelter. Unlike the ...

Upon noticing the sexy scent of a female marmoset, a male doesn’t pursue her mindlessly, according to a new brain-imaging study. Male marmosets appear to think about—not just react to—what they’re ...