On an island in Panama, a fad that one researcher called "viscerally disturbing" has recently taken off among a group of young male monkeys. These adolescents and juveniles have started to kidnap the ...

A Texas man was busted for trafficking vulnerable Mexican baby spider monkeys, who were too young to be separated from their mothers, into San Diego and selling them on Facebook. Sarmad Ghaled Dafar, ...

Woburn Safari Park in the U.K. has welcomed a sweet new addition: an as-yet-unnamed baby Guianan squirrel monkey. The little ...