An impala surrounded by a pack of wild dogs had no other choice than to risk its life by taking a swim with crocodiles and hippos in what could be called a great escape. Ranger Daniel Hitchings was ...

A Nile crocodile swallows an impala, its reward for lying in wait beneath the water’s surface. By resurrecting the hemoglobin of ancient crocodilian ancestors, a Husker-led team has helped explain why ...