More than 1,800 animals reside at the Smithsonian's 163-acre National Zoo & Conservation Biology Institute, from Asian elephants to cheetahs to sea lions. Look up every now and then as you stroll ...

The Smithsonian’s National Zoo’s two giant pandas look quite similar to the untrained eye. Animal keeper Mariel Lally offers some tips you can use to spot the difference! Mike Bock Bao Li is ...