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 ...

As members of the exclusive primate family, we humans know just how special this mammalian order is. Even our most distant ...

For many of us, it may be hard to imagine that if we went back far enough in time—more than 55 million years, when the first primates are thought to have lived—that our great-a-million-times ...

The total number of nonhuman primates in research in the United States was 71,921 in 2021 (the most recent year for which figures are available), according to the US Department of Agriculture. This ...