It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out the evolution of almost everything with eight legs. But that's the potential ...

A look at how life on Earth could evolve into strange new forms millions of years from now.

Endangered Pink Fairy Armadillo, the world’s smallest armadillo species, adapted to sandy deserts and grasslands of Argentina© Harsha_Madusanka/Shutterstock.com ...

WASHINGTON — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...

The arctic fox completely swaps its dark summer coat for a snow-white one when winter is coming. The kidney garden spider looks just like the Pringles man. And the world's cutest sheep can be found in ...