When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon Rainforest, aka the smallest species of monkeys in the world. These little ...

Around 450 squirrel-sized marmoset monkeys reside at Texas Biomed's primate center, aiding research on aging, health span and longevity.

Pygmy marmoset cubs are pictured with their mother in their enclosure at the Mulhouse Zoo, eastern France — SEBASTIEN BOZON Naming others is considered a marker of highly advanced cognition in social ...

Marmosets are the first nonhuman primates known to use name-like labels for individuals, a new study suggests. By Emily Anthes The common marmoset is a certified chatterbox. The small, South American ...