Scientists believe that rhesus macaques and humans split from a common ancestor about 25 million years ago ... led to ...

The rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet ...

Scientists believe individuals of the most recently discovered hominin group (the Denisovans) that interbred with modern day ...

Authorities say 43 monkeys bred for medical research that escaped a compound in South Carolina have been spotted in the woods ...

Highland deer mice and their lowland cousins ventured on a simulated seven-week ascent to 6,000 meters. By tracking how the mice responded to cold stress and progressively lower oxygen levels, the ...