A 50th birthday party was held for Lucky the Dolphin at Brookfield Zoo Chicago on Friday.

A white-bellied pangolin pup was born last month at the Brookfield Zoo Chicago. The scaly endangered mammal is the newest addition to the 13 pangolins in the zoo’s care.

Brookfield Zoo revealed a data breach earlier this year, affecting current and former employees.

Brookfield Zoo is seeking public votes to name their recently born endangered Mexican wolf pup. Voters can choose from four culturally significant names and enter to win a prize package, with voting open online until July 2.

Koalas made their debut Tuesday at Brookfield Zoo Chicago for the first time in the zoo’s 90-year history. NBC Chicago’s Patrick Fazio reports.

Koalas made their debut Tuesday at Brookfield Zoo Chicago for the first time in the zoo’s 90-year history.

Chicago-area residents have long been able to see animals of all kinds from across the world at the 90-year-old Brookfield Zoo, but new history will soon be made at the suburban landmark.

The emerging cicada brood has become a tasty and nutritious snack for animals at Brookfield Zoo Chicago.

Chicago, meet Brumby and Willum.

The dolphins are back in action at the Brookfield Zoo. NBC 5’s LeeAnn Trotter reports.