Nearly 100 million years ago, snakes weren’t the sleek, limbless creatures we know today—they still had hind legs and even a ...

Scientists discovered a 6-million-year-old fossil jaw in Spain that pushes the origin of weasels much further back in time.

Rare 450-million-year-old fossil, Paleocanna tentaculum, that provides a clearer link between ancient cnidarians and modern ...

A rare fossil discovery is shedding light on the “missing years” of early sponge evolution. Scientists found a ...

A stunning new fossil find from the Grand Canyon fills in some blanks from a time when evolution began experimenting with weird new forms. Frustratingly, fossils from later in the Cambrian period are ...

(CNN) — When a fossil preserves an animal’s complete body in a death pose, seeing it is observing a snapshot in time. Several such fossils exist for Archaeopteryx — the earliest known bird — and now, ...

A new species of coelacanth has been identified from a 150-year-old fossil housed at London's Natural History Museum. Former ...

The discovery of an ancient snake fossil has changed the way that scientists view the evolution of snakes. About one hundred ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

Add Yahoo as a preferred source to see more of our stories on Google. One of three jawbones excavated from Thomas Quarry in Morocco that is 773,000 years old. - Hamza Mehimdate/Programme Préhistoire ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a fossil ...