Forget fluffy puppies and purring kittens; some people have a fondness for the truly peculiar when it comes to their animal companions. We’re talking about creatures that'll make you raise an eyebrow ...

Add Yahoo as a preferred source to see more of our stories on Google. Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to ...

From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...