Columbus Zoo and Aquarium's first Bornean orangutan just turned one. Clementine loves solo play on the firehose and her mom ...

Miracle baby orangutan Clementine had first birthday on Thanksgiving. Watch how the Columbus Zoo celebrated her.

“Sometimes I feel like I’ve chosen the most difficult thing in the world to study,” Cheryl Knott tells me as we sit beneath the rain forest canopy at her orangutan research station in ...