Tiny mammals can be harder to picture than giant ones. A blue whale sounds huge right away, but a mammal that weighs less ...

These teacup-sized dogs are so tiny that sometimes you don’t even notice when someone is carrying one around in their purse. According to Guinness World Records, the smallest Chihuahua ever is named ...

When it comes to identifying the smallest mammal in the world, things can get a bit tricky. The standard method for ...

Deep within the dense foliage of Papua New Guinea lives the world’s smallest vertebrate. Meet Paedophryne amauensis, a terrestrial frog so small it’s nearly invisible to the naked eye. Not only do ...

We’ve all heard of the world’s most massive sharks, both past and present. The megalodon, the great white shark, and the whale shark get most of the attention, but did you know that there are a ...