For over 300 million years, the ammonites ruled the prehistoric seas. Finding an ammonite fossil isn’t particularly rare ...

Skeleton season may be just around the corner, but the skeleton age dawned with the early Cambrian Period, about 538 million ...

A strange Cambrian fossil named Salterella may hold the key to understanding how early animals first built skeletons. As the season of skeletons approaches, it’s worth remembering that the real “age ...

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a geological process known as opalization, wherein organic material from ...

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

Researchers have discovered a fossil in Morocco of a dinosaur species that roamed the plains of northern Africa at least 165 million years ago, featuring a dangerous tail and "extreme" armor. A group ...

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

Led by Dr. Matthew McCurry and Dr. Michael Frese, the team identified a new fossil site in New South Wales, Australia, named McGraths Flat. It is located in the Central Tablelands, NSW, near the town ...