Ever heard of a liger? Or how about a zonkey? If you're unfamiliar, crossbreeding is the strengthening of the species genes ...

Last but not least, Opabinia is, by far, one of the weirdest extinct animals to ever live on our planet. It actually looked like something from another planet, as it had five eyes and a long ...

Some have some pretty out-there adaptations to make this happen. For one, animal tongues can get pretty weird. Some are longer than the animal itself, some are as heavy as elephants, and some even ...