Are monkeys talking behind our backs? That creepy “Planet of the Apes” sensation struck University of Michigan researcher Thore Bergman when he heard the lip-smacking sounds of wild geladas, a ...

The lip-smacking vocalizations gelada monkeys make are surprisingly similar to human speech, a new study finds. Many non-human primates demonstrate lip-smacking behavior, but geladas are the only ones ...

The sounds of marmoset monkeys chattering may hint at the mysterious origins of human language. A new study shows that marmosets exchange calls in a precisely timed, back-and-forth fashion typical of ...

Small monkeys with white tufts of ear hair and long, striped tails may reveal some surprising new insights into how human infants learn to make speech sounds. Vocal learning plays out in marmosets ...

Ooh, ooh, ooh, ee, ee, ee! Shouting monkeys may have more sophisticated vocal abilities than we give them credit for. It seems that the anatomy of their vocal tract is theoretically capable of ...