The northern white rhinoceros is one of the rarest animals on Earth, with just two females left and no natural way for the ...

These snakes live underground and feed mostly on ants and termites, which makes sense when you think about their size.

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America.

Researchers say they have discovered a type of gecko that hadn't been seen since 1991 and was thought to be extinct — or ...