Monkeys played a touchscreen game for nearly 100 rounds without rewards, highlighting the powerful role of curiosity in ...

Stories centered around true love's kiss might be tales as old as time. And, according to a new study, kisses might even have been around before humans walked the earth. Humans kiss each other ...

New research on primate social structures and brain anatomy is offering deeper insights into the evolutionary pathways of humans. Studies on baboons, macaques, and chimpanzees reveal complex social ...

What can chimpanzees teach us about ourselves? A lot, says Craig Stanford, who's spent three decades studying the lives of our closest cousins. Humans share upwards of 98% of their DNA with the great ...