A new study challenges the long-held idea that early primates began in warm tropical forests. Fossil and climate evidence ...

Researchers at Oregon Health & Science University have developed the first transgenic nonhuman primate model—genetically modified to carry a human gene—for studying hepatitis B virus. The breakthrough ...

Primates—the group of animals that includes monkeys, apes and humans—first evolved in cold, seasonal climates around 66 million years ago, not in the warm tropical forests scientists previously ...

Primate social organization is more flexible than previously assumed. According to a new study led by University of Zurich, the first primates probably lived in pairs, while only around 15% of ...