New video released from the city of Denver shows the moments that fueled a tense back and forth between Mayor Mike Johnston and a lawmaker during the oversight committee hearing on Capitol Hill ...

As in the name, experts say birds are under some of the highest risk right now for bird flu, but the Denver Zoo Conservation Alliance ... that you might see over a penguin exhibit, help prevent ...

Two African penguin chicks were born at Banham Zoo in December Two critically endangered penguin chicks that were born in a zoo have been "thriving", keepers said. The black-footed penguins ...