From iguanas to ancient dinosaurs, discover the surprising ways animals have evolved to use their tails as defense mechanisms against predators.

Lemurs, lizards, whales — all are famed for their tails in some way. But which animal has the longest tail of all? In proportion to their bodies, grass lizards have the longest tails of any known ...

Autotomy refers to the ability to purposefully detach one's own tail. This behavior is seen in lizards. Read here to learn ...

WASHINGTON — Our very ancient animal ancestors had tails. Why don’t we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed tails.

WASHINGTON (AP) — Our very ancient animal ancestors had tails. Why don't we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed ...