WTOP’s Matt Kaufax talks with animal keeper Charlie Shaw, who cares for big cats at the National Zoo, about the vital ...

Wild orangutans use multi-layered recursive vocal patterns that vary with danger, challenging the idea that only humans use ...

I am deeply saddened to learn that my friend and colleague of 32 years, Valmik Thapar has passed away. I met Valmik in 1993 ...