Nick has been staying at the Smithsonian's National Zoo and Conservation Biology Institute in Washington, D.C. since 2023 ...

A sea lion from the Denver Zoo died in Washington, D.C. this week while waiting for a new habitat. (Video: Denver Zoo ...

The Denver Zoo Conservation Alliance is saying goodbye to its Nile hippopotamus, Mahali, as he moves to a wildlife preserve ...

Denver Zoo’s only hippo will move to the Lone Star State this fall so the organization can conserve water and update the ...

Longtime favorite Mahali, the Nile hippopotamus, is making a Texas-sized move this fall. This week, the Denver Zoo ...

DENVER — A beloved sea lion known for picking Broncos games for 9NEWS has passed away.

Nick was an 18-year-old California sea lion. He'd been housed at the Smithsonian's National Zoo since 2023.

DENVER — A fixture at the Denver Zoo is leaving the Mile High City. The Denver Zoo Conservation Alliance announced Thursday that Mahali, a Nile hippopotamus, will be moving this fall to a three-acre ...

The Denver Zoo Conservation Alliance has welcomed two new bighorn lambs to the herd, according to the zoo. The lambs were ...

The Houston Zoo celebrates International Day of Friendship by showcasing bonds among animal residents. HOUSTON — Friday is ...

The San Francisco Zoo, a beloved but crumbling seaside Art Deco treasure, is in trouble and facing controversies that could ...

Denver voters will decide in the Nov. 4 election whether to approve Mayor Mike Johnston’s 6-year, $950 million bond ...