While the birth is sparking joy, infant mountain gorillas are vulnerable, and twins can be twice as hard for a mother to take ...

Being a mother is a tremendous accomplishment and one of the most challenging jobs in the world. This applies even in the animal kingdom, where it can be a literal dog-eat-dog world for many species.

There have been some large animals discovered over the course of history. In the 1960s, the largest bear ever caught outsized the average elephant, and this bear still holds the record today. The ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.

The baby aardvark, born on New Year's Day, weighs about four pounds and is 'roughly the size of a rolling pin,' the zoo said ...