Rhesus macaques in U.S. research laboratories frequently pull out their own hair, pace in tight loops, and rock back and forth, behaviors long attributed to the stress of captivity. A study published ...

SENDAI—On a chilly night in early February, Masatoshi Suzuki hauled a black plastic bag containing four macaque carcasses ...

Canada is a top importer of endangered long-tailed macaques for lab experiments. Urge Canada to stop enabling the cruel ...

Authorities have killed several lab monkeys that escaped from an overturned truck in Mississippi. The rhesus macaques were initially thought to be diseased and dangerous, but that's not necessarily ...

“Ramadewa looked at the numerous troops of monkeys. They were at ease and happy and showed their liveliness. All their movements, their noisy voices, their way of sleeping on branches made him happy ...