A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about him, or that he was kind of lonely in a way.” ...

A bizarre mystery unfolded on Jicarón Island as white-faced capuchins repeatedly abducted baby howler monkeys, showing no ...

The president spoke with House Republicans for more than an hour on Tuesday in what appeared to be part pep rally, part pressure campaign. She's the brains behind the best-selling novels loved by ...