Four orangutans had to be tranquilized and moved back into their enclosure after a malfunctioning door allowed them to escape ...

An orangutan was able to briefly escape its primary enclosure after a "malfunction" at the Denver Zoo Conservation.

In 2012, Mimi, the Denver Zoo's beloved elderly elephant, passed away at the age of 53. After that loss, the zoo decided to take another approach to elephants — a very hands-on approach ...

DENVER (KDVR) — One of the world’s rarest equids was born at the Denver Zoo Conservation Alliance this week, marking a critical step for the future of the Critically Endangered species.

The paternity of a baby orangutan born at the Denver Zoo was a mystery to staff – so they went to the paternity test expert, Maury Povich. Siska the orangutan is four months old, but it was ...

It turns out they're totally cool with it. The African lions at the Denver Zoo are not only content, they are "quite the fans of this weather," officials say. Due to the ?????⛄ weather ...

The Denver Zoo’s latest feline resident has been waiting in the wings for more than a year — first smuggled through the Denver International Airport on a commercial flight, then held as evidence in a ...

The question gripped the Denver Zoo for months: Who was the father of the baby orangutan Siska? Was it 30-year-old Berani or 16-year-old Jaya? When the paternity results finally came in ...

Friends that are family. There are so many types of relationships at the Denver Zoo, and so much cuteness to celebrate on Valentine's Day. The herd of Cape buffalo, for instance, celebrated ...