Hear the booming cries that gave the howler its name. Learn just what these vocal monkeys may be trying to say.

Ask AI dumb things and leave no local chat history, all with the style of a kids' fantasy novel – or rather, one of its ...

Add Yahoo as a preferred source to see more of our stories on Google. The new baby howler monkey at the Houston Zoo. Its gender is not yet known. (Courtesy of the Houston Zoo) The Houston Zoo welcomed ...

A baby howler monkey clung to the back of an older male monkey, its tiny fingers grasping fur. But they’re not related and not even the same species. Scientists spotted surprising evidence of what ...

At the start of her 2008 field season at El Parque El Piñalito in the Misiones province in northeastern Argentina, Ilaria Agostini knew something was terribly wrong. Agostini has studied Misiones' two ...

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

In his 1871 book on evolutionary theory called “The Descent of Man, and Selection in Relation to Sex”, Charles Darwin posited that sexual selection was determined in two main ways: through combat, or ...

March may be over, but Mascot Madness is at an all-time fever pitch. Arizona's beloved Howler has made it all the way to the Final of Mascot Madness, where he's currently facing off against Dallas ...