An amazing video filmed by a traveler in South Africa depicts a wild showdown between a large male rhino and a pride of lions ...

Mating is a challenge for Sumatran rhinos. The critically endangered animals live in four isolated regions scattered across 10,000 square miles of steep, dense forest, and males rarely venture far.

With no viable male to mate with, the future of the northern white rhino species has become a race against time. Sign up for the Daily Briefing Get the latest news and updates straight to your ...