Fossils show that howler monkey ancestors were eating leaves 13 million years ago, shaping body size and evolution.

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 ...

When monkeys move to a new place, they want to eat what the locals are eating, a new study finds. It's among the first to see strong social... When you travel, do you want to drink Bellinis in Venice ...

An extinct relative of the howler monkey may have been the first leaf-eating primate in South and Central America ...

Don’t Miss a Moment. Join 30,000 locals who stay current on San Antonio news, culture, and events. Get our free newsletters in your inbox three times a week. The idea that eating less can prolong life ...