A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

Human virus patterns have been spotted in the highlands of Ethiopia within a community of wild monkeys. Now, ASU is studying these patterns.

It would halt lifesaving discoveries and place patients at risk ...