It's no secret that humans and primates share many common traits (and the vast majority of our DNA), but some monkey behaviors still leave scientists baffled. One of these behaviors was seen as ...

Two of six spider monkeys illegally brought into California are shown above with their troopmates where they are now living at Chicago's Brookfield Zoo. (U.S. Attorney's Office) A Texas man was busted ...

PARIS: A new trend is catching on among bored young male capuchins: kidnapping baby howler monkeys, in what scientists say is the first time animals have been recorded stealing another species' ...

SAN DIEGO -- A Texas man was sentenced in federal court Friday for smuggling six Mexican baby spider monkeys into the U.S. Sarmad Ghaled Dafar of Houston was sentenced to four months in custody and ...

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...