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 ...

When polite people talk, they take turns speaking and adjust the timing of their responses on the fly. So do wild macaques, a team of Japanese ethologists reports. It’s unclear whether the monkeys ...

The melodious sounds of mice squeaking, alligators grunting, monkeys chattering, and elephants roaring billowed from the library windows at Laura B. Sprague Elementary School on Friday. They are the ...